Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

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

candidate B. Assume that the...

Consider a race for election between candidate A and candidate B. Assume that the proportion of voters with a preference for candidate A is 0.8.You decide to interview 12 voters.Let X be a random variable denoting the number of voters in your sample with a preference for candidate A.Compute the variance of the random variable X. (Hint: What is the distribution of the random variable X?

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

Suppose that 60 percent of the voters in a particular region

Suppose that 60 percent of the voters in a particular region support a candidate. Find the probability that a sample of 1,000 voters would yield a sample proportion in favor of the candidate within 3 … read more

Consider a race for election between candidate A and

Consider a race for election between candidate A and candidate B. Assume that the proportion of males with a preference for candidate A is 0.8 and the proportion of females with a preference for candi… read more

Consider a race for election between candidate A and

Consider a race for election between candidate A and candidate B. Assume that the proportion of voters with a preference for candidate A is 0.8.You decide to interview 14 voters.Let X be a random vari… read more

A newspaper recently conducted a survey of a random sample

A newspaper recently conducted a survey of a random sample of 120 registered voters in order to predict the winner of a local election. The Republican candidate was preferred by 60 of the respondents.… read more

1. Consider an experiment that results in a positive outcome

1. Consider an experiment that results in a positive outcome with probability 0.38 and a negative outcome with probability 0.62. Create a new experiment consisting of repeating the original experiment… read more

1. If A and are independent events with P(A) = 0.4 and P()

1. If A and B are independent events with P(A) = 0.4 and P(B) = 0.6, then P(A l B) = • 0.76 • 1.00 • 0.24 • 0.2 • None of the above 2. If A and B are independent events with P(A) = 0.2 and P(B) = 0.6,… read more

1. Assume you have a data set from a normally distributed random

1. Assume you have a data set from a normally distributed random variable answer the following questions about it. a.will the random variable be discreet, continuous or neither? and why? b. will the d… read more

Above 1. Given the significance level 0.025, the F-value for

Above 1. Given the significance level 0.025, the F-value for the degrees of freedom, df = (7,3) is A. 14.62. B. 8.45. C. 27.67. D. 5.89. 2. Which of the following statements are true regarding the sim… read more

1. Assume the following data were gathered by a manufacturer

1. Assume the following data were gathered by a manufacturer of a robotics component, in? none asked 7 hrs ago - 4 days left to answer 1. Assume the following data were gathered by a manufacturer of a… read more

Business Statistics - Answer the following questions: 1. A

Business Statistics - Answer the following questions: 1. A university has been tracking the percentage of alumni giving to its annual fund each year for the past 10 years. The data is given here. 14% … read more

FOR GURU ONLY --- FOR GURU ONLY!!! Here are the first 40.

FOR GURU ONLY --- FOR GURU ONLY!!! Here are the first 40. As per your last e-mail of only getting half of what you charge, I'll pay $50 for this first 40 and $50 for the second 40 questions. If all is… read more

Use the following sample data to answer questions 1 through 4:

Use the following sample data to answer questions 1 through 4: -1, 0, 2, 3, 7, 10, 10 _____1. The mean, X , of the data above is (to the nearest 1/10) a. 8.3 b. 9.0 c. 9.4 d. 4.4 _____2. The median of… read more

19) A discrete variable A. is an example of a qualitative

19) A discrete variable A. is an example of a qualitative variable B. can assume only whole number values C. can assume only certain clearly separated values D. cannot be negative 20) A nominal scale … read more

1) Which of the following measures of central location is affected

1) Which of the following measures of central location is affected most by extreme values? A. Mean B. Median C. Mode D. Geometric mean 2) Which level of measurement is required for the median? A. Nomi… read more

Question 1: As a sample size approaches infinity, how does

Question 1: As a sample size approaches infinity, how does the student's t distribution compare to the normal z distribution? When a researcher draws a sample from a normal distribution, what can one … read more

Find the critical value x2r based on the given information

Find the critical value x2r based on the given information sample size 5 and confidence level 98%… 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

1. Describe the following variables as quantitative or qualitative,

1. Describe the following variables as quantitative or qualitative, and describe the scales of measurement. A. The distance a student commutes from home to campus. B. The rating of a stock as "strong … 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.