2) High blood pressure has been identified as a risk factor for heart attacks and strokes. The proportion of U.S. adults with high blood pressure is 0.3. A sample of 81 U.S. adults is chosen. a) What is the sampling distribution of ? b) Find the probability that the proportion of individuals in the sample who have high blood pressure is between 0.24 and 0.35. c) Find the probability that less than 26% of the people in the sample have high blood pressure. d) Find the probability that more than 28% of the people in the sample have high blood pressure. e) Would it be unusual if more than 31% of the individuals in the sample of 81 had high blood pressure? Explain.

2) High blood pressure has been identified as a risk factor for heart attacks and strokes. The proportion of U.S. adults with high blood pressure is 0.3. A sample of 81 U.S. adults is chosen. a) What is the sampling distribution of ? b) Find the probability that the proportion of individuals in the sample who have high blood pressure is between 0.24 and 0.35. c) Find the probability that less than 26% of the people in the sample have high blood pressure. d) Find the probability that more than 28% of the people in the sample have high blood pressure. e) Would it be unusual if more than 31% of the individuals in the sample of 81 had high blood pressure? Explain.

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Description: 2) High blood pressure has been identified as a risk factor for heart attacks and strokes. Theproportion of U.S. adults with high blood pressure is 0.3. A sample of 81 U.S. adults is chosen.a) What is the sampling distribution of ?p°b) Find the prob

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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Question

2) High blood pressure has been identified as a risk factor for heart attacks and strokes. The
proportion of U.S. adults with high blood pressure is 0.3. A sample of 81 U.S. adults is chosen.
a) What is the sampling distribution of ?
p°
b) Find the probability that the proportion of individuals in the sample who have high blood
pressure is between 0.24 and 0.35.
c) Find the probability that less than 26% of the people in the sample have high blood pressure.
d) Find the probability that more than 28% of the people in the sample have high blood pressure.
e) Would it be unusual if more than 31% of the individuals in the sample of 81 had high blood
pressure? Explain.

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