Answered: A medical researcher wishes to see if…

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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Question

Blood Types A medical researcher wishes to see if hospital patients in a large hospital have the same blood type distribution as those in the general population. The distribution for the general population is as follows: type A, 22%; type B, 28%; type O, 36%; and type AB =14%. He selects a random sample of 50 patients and finds the following: 13 have type A blood, 10 have type B, 22 have type O, and 5 have type AB blood.

At α=0.05, can it be concluded that the distribution is the same as that of the general population? Use the P-value method and TI-83 Plus/TI-84 Plus calculator.

H0: The blood type distribution is the same as the distribution of the general population. Claim or not?
H1: The blood type distribution differs from the distribution of the general population: Claim or not?
Find the critical value
Compute the test value: X^2=
Reject or Do not reject the null hypothesis
Summarize:
Is there or is there not enough evidence to reject the claim?
Is there or is there not enough evidence to support the claim?

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