Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

Connect one-on-one with {0} who will answer your question

"StatsPro" Last group and YOU HAVE...

"StatsPro"

Last group and YOU HAVE A GREAT HOLIDAY -see you again in January...

36.A sports writer hypothesized that Tiger Woods plays better on par 3 holes than on par 4 holes. He reviewed Woods' performance in a random sample of golf tournaments. On the par 3 holes, Woods made a birdie in 20 out of 80 attempts. On the par 4 holes, he made a birdie in 40 out of 200 attempts. How would you interpret this result?

(A) The P-value is 0.10, little or no support for the notion that Woods plays better on par 3 holes.

37. In the context of regression analysis, which of the following statements are true?

I. A linear transformation increases the linear relationship between variables.

II. A logarithmic model is the most effective transformation method.

III. A residual plot reveals departures from linearity.

(A) I only

(B) II only

(C) III only

(D) I and II

(E) I, II, and III

38. Acme Corporation manufactures light bulbs. The CEO claims that an average Acme light bulb lasts 300 days. A researcher randomly selects 15 bulbs for testing. The sampled bulbs last an average of 290 days, with a standard deviation of 50 days. If the CEO's claim were true, what is the probability that 15 randomly selected bulbs would have an average life of no more than 290 days?

(A) 0.100

(B) 0.226

(C) 0.334

(D) 0.443

(E) .775

39. Which of the following would be a reason to use a one-sample t-test instead of a one-sample z-test?

I. The standard deviation of the population is unknown.

II. The null hypothesis involves a continuous variable.

III. The sample size is large (greater than 40).

(A) I only

(B) II only

(C) III only

(D) I and II

(E) I and III

40. A public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender (male or female) and by voting preference (Republican, Democrat, or Independent). Results are shown below.

Voting Preferences

Republican Democrat Independent Row total

Male 200 150 50 400

Female 250 300 50 600

Column total 450(NNN) NNN-NNNN

If you conduct a chi-square test of independence, what is the expected frequency count of male Independents?

(A) 40

(B) 50

(C) 60

(D) 180

(E) 270

Last group and YOU HAVE A GREAT HOLIDAY -see you again in January...

36.A sports writer hypothesized that Tiger Woods plays better on par 3 holes than on par 4 holes. He reviewed Woods' performance in a random sample of golf tournaments. On the par 3 holes, Woods made a birdie in 20 out of 80 attempts. On the par 4 holes, he made a birdie in 40 out of 200 attempts. How would you interpret this result?

(A) The P-value is 0.10, little or no support for the notion that Woods plays better on par 3 holes.

37. In the context of regression analysis, which of the following statements are true?

I. A linear transformation increases the linear relationship between variables.

II. A logarithmic model is the most effective transformation method.

III. A residual plot reveals departures from linearity.

(A) I only

(B) II only

(C) III only

(D) I and II

(E) I, II, and III

38. Acme Corporation manufactures light bulbs. The CEO claims that an average Acme light bulb lasts 300 days. A researcher randomly selects 15 bulbs for testing. The sampled bulbs last an average of 290 days, with a standard deviation of 50 days. If the CEO's claim were true, what is the probability that 15 randomly selected bulbs would have an average life of no more than 290 days?

(A) 0.100

(B) 0.226

(C) 0.334

(D) 0.443

(E) .775

39. Which of the following would be a reason to use a one-sample t-test instead of a one-sample z-test?

I. The standard deviation of the population is unknown.

II. The null hypothesis involves a continuous variable.

III. The sample size is large (greater than 40).

(A) I only

(B) II only

(C) III only

(D) I and II

(E) I and III

40. A public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender (male or female) and by voting preference (Republican, Democrat, or Independent). Results are shown below.

Voting Preferences

Republican Democrat Independent Row total

Male 200 150 50 400

Female 250 300 50 600

Column total 450(NNN) NNN-NNNN

If you conduct a chi-square test of independence, what is the expected frequency count of male Independents?

(A) 40

(B) 50

(C) 60

(D) 180

(E) 270

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Calculus and Above Questions

Hy mi lookin same answers as posted on the previous page,

Hy Ryan mi lookin for the same answers as posted on the previous page … read more

One hundred people are selected at random and tested to

One hundred people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent. The critical value of X2 for a 2 x 2 table using a 0.05 signific… read more

I need to know how to solve these questions, as well as how

I need to know how to solve these questions, as well as how to do them on excel, formulas and all. Do students at your school study more than, less than, or about the same as students at other busines… read more

Q1: Which of the following statements is most appropriate regarding

Q1: Which of the following statements is most appropriate regarding the variance inflation factor (VIF)? i) It directly determines whether a predictor is significant or not. ii) It measures the autoco… read more

I need help with homework questions. They are multiple choice

I need help with homework questions. They are multiple choice questions in intro to statistics and they have to be done today. They do not have to be perfect as you can redo the homework as many times… read more

1. Find the compliment of the claim. U>=256. Which is H0 and

1. Find the compliment of the claim. U>=256. Which is H0 and which is Ha? 2. A null and alternative hypothesis are given. Determine whether the hypothesis test is left tailed, right tailed, or two … read more

how do i get answers to things already posted? http://www

how do i get answers to things already posted? http://www.justanswer.com/calculus-and-above/668dd-stats-questions-1-assume-sample-selected.html?txsid=16564309&opt=10&archiveid=10368481&viewquestion=69… read more

Question 27 The heights of the men age 18 and over in the

Question 27 The heights of the men age 18 and over in the HANES sample averaged 68.5 inches; the SD was 2.9 inches. Use the normal curve to estimate the percentage of these men with heights between 65… read more

for ryan, A gambler plays roulette, and makes a $1 bet on

for ryan, A gambler plays roulette, and makes a $1 bet on four numbers, 400 times. The bet pays 8 to 1. Find the standard error for the sum. Answer a. none of these b. $56.76 c. $55.24 d. $15.80 e. $6… read more

14) Sound engineers studied factors that might affect the output,

14) Sound engineers studied factors that might affect the output, in decibels, of a rock concert's speaker system. The desired level of significance was a = .05. The results of their ANOVA tests are s… read more

11) New college business graduates are finding it difficult

11) New college business graduates are finding it difficult to get a job. A business journal has reported that only one in five graduates is able to find a job within 6 months of their graduation. A r… read more

A public opinion poll surveyed a simple random sample of voters.

A public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender and by voting preference—Republican, Democrat, or Independent. The results follow. Voting Prefere… read more

Stats Questions,1. Assume a sample has been selected at

Stats Questions, 1. Assume a sample has been selected at random from a large population. Which of the following five statements is correct. A. The standard error equals the standard deviation of the s… read more

"StatsPro" 21. Which of the following statements are true? I.

"StatsPro" 21. Which of the following statements are true? I. Random sampling is a good way to reduce response bias. II. To guard against bias from undercoverage, use a convenience sample. III. Increa… read more

"StatsPro" next group for my test 11. Which of the following

"StatsPro" next group for my test 11. Which of the following statements are true? (Check one) I. A sample survey is an example of an experimental study. II. An observational study requires fewer resou… read more

"StatsPro" Next ones 6. A card is drawn randomly from a

"StatsPro" Next ones 6. A card is drawn randomly from a deck of ordinary playing cards. You win $10 if the card is a spade or an ace. What is the probability that you will win the game? (A) 1/13 (B) 1… read more

"StatsPro" 31. An archer claims that 25% of her shots will

"StatsPro" 31. An archer claims that 25% of her shots will be in the center of the target (i.e., a bulls-eye). A sports writer plans to test this claim by sampling 300 shots. If the 300 shots result i… read more

Hey "StatsPro" - I have a 90 minute times AP test today. Would

Hey "StatsPro" - I have a 90 minute times AP test today. Would you be available to help? It is 90 minutes with 40 multiple choice questions. Woudl it be ok to send with 5 questions on each post to you… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

114 satisfied customers

M.A., M.S. Education / Educational Administration

SusanAthena

Master's Degree

102 satisfied customers

Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

Dr Arthur Rubin

Doctoral Degree

96 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

rajeevanpillai

Master's Degree

94 satisfied customers

B.Sc Mathematics and M.Sc, M Phil Statistics

JACUSTOMER-yrynbdjl-

Master's Degree

42 satisfied customers

I have a MS in Mathematics and I have taught Mathematics for 10 years at the college level.

dhouse1940

Master's Degree

33 satisfied customers

BS mathematics, MS biostatistics, 35+ yrs designing & analyzing biological experiments.

Don

Master's Degree

29 satisfied customers

M.S. Astronautical Engineering. Math/Sci/Comp Tutor

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.