In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.4 inches and a standard deviation of 3.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below. (a) Find the probability that a study participant has a height that is less than 66 inches. The probability that the study participant selected at random is less than 66 inches tall is (Round to four decimal places as needed.) (b) Find the probability that a study participant has a height that is between 66 and 71 inches. The probability that the study participant selected at random is between 66 and 71 inches tall is O (Round to four decimal places as needed.) (c) Find the probability that a study participant has a height that is more than 71 inches. The probability that the study participant selected at random is more than 71 inches tall is (Round to four decimal places as needed

In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.4 inches and a standard deviation of 3.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below. (a) Find the probability that a study participant has a height that is less than 66 inches. The probability that the study participant selected at random is less than 66 inches tall is (Round to four decimal places as needed.) (b) Find the probability that a study participant has a height that is between 66 and 71 inches. The probability that the study participant selected at random is between 66 and 71 inches tall is O (Round to four decimal places as needed.) (c) Find the probability that a study participant has a height that is more than 71 inches. The probability that the study participant selected at random is more than 71 inches tall is (Round to four decimal places as needed

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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Concept explainers

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

In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.4 inches and a standard deviation of 3.0 inches. A study
participant is randomly selected. Complete parts (a) through (d) below.
(a) Find the probability that a study participant has a height that is less than 66 inches.
The probability that the study participant selected at random is less than 66 inches tall is
(Round to four decimal places as needed.)
(b) Find the probability that a study participant has a height that is between 66 and 71 inches.
The probability that the study participant selected at random is between 66 and 71 inches tall is
| (Round to four decimal places as needed.)
(c) Find the probability that a study participant has a height that is more than 71 inches.
The probability that the study participant selected at random is more than 71 inches tall is . (Round to four decimal places as needed.)
(d) Identify any unusual events. Explain your reasoning. Choose the correct answer below.
O A. The events in parts (a), (b), and (c) are unusual because all of their probabilities are less than 0.05.
O B. The event in part (a) is unusual because its probability is less than 0.05.
O C. The events in parts (a) and (c) are unusual because its probabilities are less than 0.05.
O D. There are no unusual events because all the probabilities are greater than 0.05.
Click to select your answer(s).

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