The mean and standard deviation of apopulation are 200 and 20, respectively.What is the probability of selecting 64 datavalues with a mean between 195 and 200?А.4.8%В.48%С.5.1%D.50%

Answered: Image /qna-images/answer/dd238b19-f44d-4c60-9795-47f2528fedf3.jpg

Answered: The mean and standard deviation of a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The probability that the Springfield Isotopes will win any given game is 0.3831 based on a 13-year win history. An upcoming monthly schedule contains 21 games. X . Find the probability that the Isotopes win exactly 8 of the 21 games. Find the probability that the Isotopes win more than 12 of the 21 games. Find the mean of the distribution. Find the standard deviation of the distribution.
An online food delivery service in metro manila claims that the delivery time is not greater than 30 minutes with astandard deviation of 3 minutes. But a certain customer opposed the claim and found that the average time in the past31 delivery services is 40 minutes. Perform a hypothesis testing with α = 0.10 to see if the claim is correct.
The average grade for an exam is 74, and the standard deviation is 7. If 11.9% of the class is given A’s (including A-, A, and A+), and the grades follow a normal distribution, what is the lowest possible grade for an A- and what is the highest possible grade for a B+? We assume that the numerical grades the students receive are always integers. Answer using z tables.
A drug company claims that an allergy medication causes headaches in 5% of those who take it. A medical researcher believes that more than 5% of those who take the drug actually get headaches.
For numbers 9 - 10, refer to the probability distribution shown below. 2 4 6 8 P(x) 1/5 1/5 1/5 1/5 1/5 9. What is the mean of the probability distribution? А. 1.5 В. 2.0 С. 3.5 D. 4.0 10. What is the variance of the probability distribution? A. 4.15 В. 6.35 C. 8.00 D. 7.50 11. What do you call the set of people, objects, events, or ideas you want to investigate? B. population C. data A. sample D. statistics 12. A sample refers to A. a subset of a population. B. a list C. a description D. another name 13. What is the mean of 13, 27, 29, 17, and 14? A. 29 В. 28 с. 20 D. 13 14. What do you call a number that describes a population characteristic? C. variable A. sample statistic B. parameter D. decimal 15. Which of the following symbols denotes population mean? C. H A. X В.о D. s
A scientist found that the lengths of a certain population of snakes can be reasonably described using a normal distribution with a mean of 42 cm and a standard deviation of 2 cm. If the scientist collected a sample of 89 snakes, how many of the snakes would be expected to have a length less than 40 cm? A 14 30 C 60 D 74
If it is known that the percentage of successful students is 75%, and you take a sample of 15 students, calculate 1. The probability of having 10 successful bears 2. The probability of success of more than 13 students 3. variance
Suppose that unknown to a geneticist, there are 6 out of 12 genes that play a significant role in developing skin cancer. If the geneticist randomly samples 5 of these 12 genes and studies them, the probability that he will have sampled more than 4 skin cancer related genes is Note: Provide your answer in three decimal points e.g. 0.001
what is the median numebr of touchdowns
Suppose X, Y and Z are 3 random variables. The mean of X is 2. The mean of Y is 3. The mean of Z is 4. The standard deviations are 1, 2, and 3 (in the same order). The correlation between any two is -1/4. Find the mean and variance of T = X +Y+ 2Z.
The daily electric consumption of two houses were recorded. House A has consumes 375W (mean) the standard deviation is 15W. While House B uses 250W (mean), the standard deviation is 22W. 1. Find the probability for each house that the electric usage will not exceed 400W.2. Find the probability that both houses will exceed 400W in usage.3.Given the probability of 0.02, how much electricity must House B consume to avoid exceeding?
the standard deviation of a set of 12 measurements has a numerical value of 3. If one of the measurements, equal to the mean,is removed from the data set , then the magnitude of the Variance is

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

The mean and standard deviation of a population are 200 and 20, respectively. What is the probability of selecting 64 data values with a mean between 195 and 200? А. 4.8% В. 48% С. 5.1% D. 50%