The pulse rates of 157 randomly selected adult males vary from a low of 44 bpm to a high of 112 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 90% confidence that the sample mean is within 3 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate a. (Round up to the nearest whole number as needed.) b. Assume that g= 10.7 bpm, based on the value s= 10.7 bpm from the sample of 157 male pulse rates. (Round up to the nearest whole number as needed.) c. Compare the results from parts (a) and (b). Which result is likely to be better? The result from part (a) is V the result from part (b). The result from is likely to be better because

The pulse rates of 157 randomly selected adult males vary from a low of 44 bpm to a high of 112 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 90% confidence that the sample mean is within 3 bpm of the population mean. Complete parts (a) through (c) below. a. Find the sample size using the range rule of thumb to estimate a. (Round up to the nearest whole number as needed.) b. Assume that g= 10.7 bpm, based on the value s= 10.7 bpm from the sample of 157 male pulse rates. (Round up to the nearest whole number as needed.) c. Compare the results from parts (a) and (b). Which result is likely to be better? The result from part (a) is V the result from part (b). The result from is likely to be better because

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Description: The pulse rates of 157 randomly selected adult males vary from a low of 44 bpm to a high of 112 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 90% confidence that the samplemean is with

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

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

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The pulse rates of 157 randomly selected adult males vary from a low of 44 bpm to a high of 112 bpm. Find the minimum sample size required to estimate the mean pulse rate of adult males. Assume that we want 90% confidence that the sample
mean is within 3 bpm of the population mean. Complete parts (a) through (c) below.
a. Find the sample size using the range rule of thumb to estimate o.
(Round up to the nearest whole number as needed.)
b. Assume that o = 10.7 bpm, based on the value s = 10.7 bpm from the sample of 157 male pulse rates.
n=
(Round up to the nearest whole number as needed.)
c. Compare the results from parts (a) and (b). Which result is likely to be better?
The result from part (a) is
the result from part (b). The result from
is likely to be better because
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