A medical researcher claims that 70% of people pay for prescriptions with private insurance, 25% pay with Medicare, and the remaining pay with personal funds. To evaluate this claim, a random sample of 50 people was taken. The sample had the following results: Private Insurance Medicare Personal 32 10 8

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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A medical researcher claims that 70% of people pay for prescriptions with private
insurance, 25% pay with Medicare, and the remaining pay with personal funds. To
evaluate this claim, a random sample of 50 people was taken. The sample had the
following results:
Private Insurance
Medicare
Personal
32
10
8
What is the null hypothesis for the test? Enter the null hypothesis in the first blank.
You do NOT need to enter the alternative hypothesis.
Calculate the test statistic for the test and enter it in the second blank. Round your
final answer to three decimals.
Find the critical value cutoff for the rejection region and enter it in the third blank.
Use alpha = 0.005.
Transcribed Image Text:A medical researcher claims that 70% of people pay for prescriptions with private insurance, 25% pay with Medicare, and the remaining pay with personal funds. To evaluate this claim, a random sample of 50 people was taken. The sample had the following results: Private Insurance Medicare Personal 32 10 8 What is the null hypothesis for the test? Enter the null hypothesis in the first blank. You do NOT need to enter the alternative hypothesis. Calculate the test statistic for the test and enter it in the second blank. Round your final answer to three decimals. Find the critical value cutoff for the rejection region and enter it in the third blank. Use alpha = 0.005.
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