A sample of size 39 will be drawn from a population with mean 47 and standard deviation 11 . (a) Is it appropriate to use the normal distribution to find probabilities for x ? (b) If appropriate find the probability that x will be between 48 and 49 . Round the answer to at least four decimal places. (c) If appropriate find the 41st percentile of x . Round the answer to at least two decimal places

A sample of size 39 will be drawn from a population with mean 47 and standard deviation 11 . (a) Is it appropriate to use the normal distribution to find probabilities for x ? (b) If appropriate find the probability that x will be between 48 and 49 . Round the answer to at least four decimal places. (c) If appropriate find the 41st percentile of x . Round the answer to at least two decimal places

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A sample of size

will be drawn from a population with mean

and standard deviation

.

(a) Is it appropriate to use the normal distribution to find probabilities for

?

(b) If appropriate find the probability that

will be between

and

. Round the answer to at least four decimal places.

(c) If appropriate find the

41st

percentile of

. Round the answer to at least two decimal places

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