Suppose x has a distribution with u = 12 and o = 7. (a) If a random sample of size n = 45 is drawn, find uy, ox and P(12 < x < 14). (Round , to two decimal places and the probability to four decimal places.) 阪= Ox = P(12 < x< 14) = (b) If a random sample of size n = 60 is drawn, find ux, o y and P(12
Suppose x has a distribution with u = 12 and o = 7. (a) If a random sample of size n = 45 is drawn, find uy, ox and P(12 < x < 14). (Round , to two decimal places and the probability to four decimal places.) 阪= Ox = P(12 < x< 14) = (b) If a random sample of size n = 60 is drawn, find ux, o y and P(12
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Suppose x has a distribution with u = 12 and o = 7.
(a) If a random sample of size n = 45 is drawn, find uy, ox and P(12 < x < 14). (Round , to two decimal places and the probability to four decimal places.)
阪=
Ox =
P(12 < x< 14) =
(b) If a random sample of size n = 60 is drawn, find ux, o y and P(12 <x< 14). (Round o z to two decimal places and the probability to four decimal places.)
阪=
ox =
P(12 < xs 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--
part (a) because of the
-Select--- v sample size. Therefore, the distribution about ug is
--Select--](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F280b87a4-ff0a-41b7-8564-c1007684f1cf%2F77a44cfc-cb45-4f13-8cac-5b2d7c687b5c%2F0i0ltvr.png&w=3840&q=75)
Transcribed Image Text:Suppose x has a distribution with u = 12 and o = 7.
(a) If a random sample of size n = 45 is drawn, find uy, ox and P(12 < x < 14). (Round , to two decimal places and the probability to four decimal places.)
阪=
Ox =
P(12 < x< 14) =
(b) If a random sample of size n = 60 is drawn, find ux, o y and P(12 <x< 14). (Round o z to two decimal places and the probability to four decimal places.)
阪=
ox =
P(12 < xs 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--
part (a) because of the
-Select--- v sample size. Therefore, the distribution about ug is
--Select--
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