Calculus and Above

Related Calculus and Above Questions
A population of values has a normal distribution with μ =
A population of values has a normal distribution with μ = 188.6 and σ = 78.4 . You intend to draw a random sample of size n = 147 .What is the mean of the distribution of sample means? μ ¯ x =What is … read more
Kofi
Ph.D.
706 satisfied customers
1 point) The length, X, of a fish from a particular mountain
1 point) The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with μ=8.7 inches and σ=1.7 inches.(a) Is X a discrete or continuous random variable? (Type: DISCRETE… read more
Sandhya_sharma
Master's Degree
Master's Degree
10,917 satisfied customers
The mean math SAT score is 515, with a standard deviation of
The mean math SAT score is 515, with a standard deviation of 116. A particular high school claims that its students have unusually high math SAT scores. A random sample of 49 students from this high s… read more
Tom Piscaer
Master's Degree
774 satisfied customers
The distribution of SAT scores is normal with a mean of µ =
The distribution of SAT scores is normal with a mean of µ = 500 and a standard deviation of σ = 100.What SAT score (i.e., X score) separates the top 15% of the distribution from the rest?What SAT scor… read more
R.R. Jha
Bachelor's Degree
6,465 satisfied customers
1. Find the indicated z score. The graph depicts the
1. Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. The indicated z score is? (Round to two decimal places as needed.) 2. Assume tha… read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
Professor gave a statistics test. The scores follow the
Professor Moore gave a statistics test. The scores follow the distribution: \muμ = 22 and \sigmaσ = 4.What is the probability that a single student randomly chosen from all of those taking the test sc… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Refer to the following information for Questions 21, 22, and
Refer to the following information for Questions 21, 22, and 23. The heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet. 21. What is the probabil… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
The monthly incomes for 12 randomly selected people
13.) The monthly incomes for 12 randomly selected people, each with bachelor's degree in economics, are shown on the right: 4450.77 4596.43 4366.21 4455.62 4151.34 3727.06 4283.99 4527.57 4407.44 3946… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
NBC TV news, in a segment on the price of gasoline
1. NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is \$1.50 per gallon for self-serve regulate unleaded. A random sample of 35 stations in the … read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
1. The lengths of human pregnancies are normally distributed
1. The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is the probability that a pregnancy lasts at least 300 days? (Points : 6)… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Question 11. Using the telephone numbers listed in your
Question 1 1. Using the telephone numbers listed in your local directory as your population, randomly obtain 20 samples of size 3. From each telephone number identified as a source, take the fourth, f… read more
Math-John
30 satisfied customers
Let x be a random variable representing the length of a Atlantic
Let x be a random variable representing the length of a Atlantic croaker in controlled lake. A friend claims that the average length of trout caught in this lake is 19 inches. To test this claim we fi… read more
Sandhya_sharma
Master's Degree
Master's Degree
10,917 satisfied customers
1) Consider a normal population with µ = 25 and σ = 8.0. (A)
1) Consider a normal population with µ = 25 and σ = 8.0. (A) Calculate the standard score for a value x of 22. (B) Calculate the standard score for a randomly selected sample of 30 with = 22. (C) Expl… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
2)Which of the following hypothesis tests use a z test statistic? A)
2)Which of the following hypothesis tests use a z test statistic? A) Matched Pairs B) Single Proportion C) Two Proportions D) Goodness-of-Fit E) Single Mean: σ Known F) Independence G) Two Variances H… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Pg.431 1)The mean of the sampling distribution of means is
Pg.431 1)The mean of the sampling distribution of means is equal to the mean of the population. T-F, and why or why not? 2) In the formula for the Confidence Interval for the Mean, if the Confidence C… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
CASE STUDY EXERCISE 2: Individual incomes. The Data Appendix
CASE STUDY EXERCISE 2: Individual incomes. The Data Appendix describes the file individuals, which contains the total incomes of 55,899 people between the ages of 25 and 65. We will illustrate samplin… read more
Chirag
Master's Degree
10,329 satisfied customers
Explain what a “sampling distribution of sample means” is.
Explain what a “sampling distribution of sample means” is. Be specific! Fill in the blanks in the statements below. The Central Limit Theorem states that as the sample size increases, the distribution… read more
Osbert12
Master's Degree
2,468 satisfied customers
My scenario: A researcher is interested in the height, weight,
My scenario: A researcher is interested in the height, weight, and TV-watching habits of 10 year old children. Suppose that the weights of all 10 year olds in the United States are normally distribute… read more
Osbert12
Master's Degree
2,468 satisfied customers
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.
...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.

## What Customers are Saying:

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

Mary C.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!!!!

AlexLos 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.

GPHesperia, CA

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

JustinKernersville, 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.

EstherWoodstock, 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.

RobinElkton, 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.

DianeDallas, TX

< Previous | Next >

## Meet the Experts:

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

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

mhasan420

Master's Degree

15 satisfied customers

BA Maths, Oxford

< 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.

Show MoreShow Less