A pharmaceutical company would like to investigate the response time of a COVID-19 rapid test. The company claims that the response time is 16 minutes. To investigate this claim, the company decided consider the response time of a random sample of 28 tests. Rapid Test Kit COVID-19 Results in 15 minutes Given: • The response times has a normal distribution with a standard deviation of o = 2. • The company wishes to test this claim at a = 0.1 level of significance. • The value of the test statistic is z = -2.67.
A pharmaceutical company would like to investigate the response time of a COVID-19 rapid test. The company claims that the response time is 16 minutes. To investigate this claim, the company decided consider the response time of a random sample of 28 tests. Rapid Test Kit COVID-19 Results in 15 minutes Given: • The response times has a normal distribution with a standard deviation of o = 2. • The company wishes to test this claim at a = 0.1 level of significance. • The value of the test statistic is z = -2.67.
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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Transcribed Image Text:A pharmaceutical company would like to investigate the response time of a COVID-19 rapid test. The company claims that the response time is
16 minutes. To investigate this claim, the company decided
consider the response time of a random sample of
28 tests.
Rapid Test Kit
COVID-19
Results in 15 minutes
Given:
• The response times has a normal distribution with a standard deviation of o = 2.
• The company wishes to test this claim at a = 0.1 level of significance.
• The value of the test statistic is z = -2.67.
Transcribed Image Text:c)
The company may conclude that the response tim v
from
differ significantly
does not differ significantly
16 minutes at
a = 0.1 level of significance.
d)
The company would like to increase the sample size so that the sample mean is within
0.4 minutes of the true mean with
90% confidence. The new required sample size is
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