Suppose x has a distribution with = 25 and σ = 24.USE SALT(a) If a random sample of size n = 32 is drawn, find ux, and P(25 ≤ x ≤ 27). (Round a to two decimal places and the probability to four decimal places.)fx =oxP(25 ≤ x ≤27) =(b) If a random sample of size n = 74 is drawn, find xox and P(25 ≤ x ≤ 27). (Round a to two decimal places and the probability to four decimal places.)fx =Jy =P(25 ≤ x ≤ 27) =(c) Why should you expect the probability of part (b) to be higher than that.of.part.(a)?..(Hint: Consider the standard deviations in parts (a) and (b).)The standard deviation of part (b) is --Select--- part (a) because of the ---Select--- sample size. Therefore, the distribution about is --Select----

Answered: Suppose x has a distribution with = 25…

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

Suppose x has a distribution with μ = 25 and σ = 12. (a) If a random sample of size n = 35 is drawn, find μx, σ x and P(24 ≤ x ≤ 26). (Round σx to two decimal places and the probability to four decimal places.) μx = σ x = P(24 ≤ x ≤ 26) =
Suppose X is a random variable of uniform distribution between 1 and 7. Find E(X)
Suppose x has a distribution with μ = 24 and σ = 18. (a) If a random sample of size n = 41 is drawn, find μx, σ x and P(24 ≤ x ≤ 26). (Round σx to two decimal places and the probability to four decimal places.) μx = σ x = P(24 ≤x≤ 26) = (b) If a random sample of size n = 63 is drawn, find μx, σ x and P(24 ≤ x ≤ 26). (Round σ x to two decimal places and the probability to four decimal places.) μx = σ x = P(24 ≤ x ≤ 26) =
Charlie will perform a hypothesis test at the a = 0.05 level. Felice will perform the same test at the a = 0.01 level.
time, i.e. P(μx-ox ≤ x ≤ μx + 0x). 3. Suppose that people heights are normally distributed with mean of 170 cm and standard deviation of 6 cm. a) What proportion of people are between 165 cm and 175 cm tall? b) Find the minimum ceiling of an airplane such that at most 5% of people walking down the aisle will have to duck. E c) Find the probability that the average height of a random sample of 49 people is greater than 172 cm. 80 F3 4 R % 5 T F6 Y 1 & 7 K ard deviation of the expected U 8 DII
Suppose x has a distribution with μ = 11 and σ = 3. If a random sample of size n = 62 is drawn, find μx, σ x and P(11 ≤ x ≤ 13). (Round σ x to two decimal places and the probability to four decimal places.)μx = σ x = P(11 ≤ x ≤ 13) =
Let X be a continuous random variable whose distribution is given by X ~ PAR(6.2). Find the 65th percentile, 65. O 1.2461 O 1.0613 O 1.1229 O 1.1845 O 1.3077
Suppose x has a distribution with μ = 12 and σ = 4. (a) If a random sample of size n = 41 is drawn, find μx, σ x and P(12 ≤ x ≤ 14). (Round σx to two decimal places and the probability to four decimal places.) μx = σ x = P(12 ≤ x ≤ 14) = (b) If a random sample of size n = 73 is drawn, find μx, σ x and P(12 ≤ x ≤ 14). (Round σ x to two decimal places and the probability to four decimal places.) μx = σ x = P(12 ≤ x ≤ 14) = (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).)The standard deviation of part (b) is ---Select--- smaller than the same as larger than part (a) because of the ---Select--- larger smaller same sample size. Therefore, the distribution about μx is ---Select--- the same wider narrower .
Let Zı, Z2, ... Zn represent a random sample of size n from a standard normal distribution. f n= 5; X= Z + Z+ Z and Y=Zi+Zs. What is the distribution of 2X/3Y? (Note: you must either prove or justify your argument using known theorems)
When taking random samples of n observations from a population that is not normally distributed, the sampling distribution, x, will be approximately normally distributed never. The population itself must be normally distributed for x to be normally distributed. when the population distribution has low kurtosis. always. when the population standard deviation, o, is greater than n. when n is sufficiently large.
Suppose x has a distribution with u = 29 and o = 25. (a) If a random sample of size n = 43 is drawn, find u, o , and P(29 < x < 31). (Round o, to two decimal places and the probability to four decimal places.) 0こ= P(29 < x < 31) = (b) If a random sample of size n = 61 is drawn, find u, o y and P(29 < x < 31). (Round o , to two decimal places and the probability to four decimal places.) 長= 『ス= P(29 < x < 31) =
Suppose a sample of size n is drawn from a population where the population standard deviation is known. In order to use the Central Limit Theorem, we would have to know that A n > 30 B The population is normally distributed. C n > 30 OR the population is normally distributed D n > 30 AND the population is normally distributed

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