Question

A hospital director is told that 57% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is under the expected percentage. A sample of 130 patients found that 65 were insured. Find the value of the test statistic. Round your answer to two decimal places.

Name: a hospital director is told that 57 of the emergency room visitors are insured the director wants to test the claim that the percentage of insured patients is under the expected percentage a 06398
Uploaded: 2022-09-20T11:39:36-08:00
Duration: 2 min 23 s
Channel: Adi S
Description: a hospital director is told that 57 of the emergency room visitors are insured the director wants to test the claim that the percentage of insured patients is under the expected percentage a 06398

          A hospital director is told that 57% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is under the expected percentage. A sample of 130 patients found that 65 were insured. Find the value of the test statistic. Round your answer to two decimal places.

Added by Timothy W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

09/20/2022

Step 1

- Null hypothesis \( H_0: p = 0.57 \) (the proportion of insured patients is 57%) - Alternative hypothesis \( H_a: p < 0.57 \) (the proportion of insured patients is less than 57%) Show more…

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A hospital director is told that 57% of the emergency room visitors are insured. The director wants to test the claim that the percentage of insured patients is under the expected percentage. A sample of 130 patients found that 65 were insured. Find the value of the test statistic. Round your answer to two decimal places.