Question

Consider testing H0: μ=20 against Ha: μ<20 where μ is the mean number of latex gloves used per week by all hospital employees, based on the summary statistics n=45, x=19.3, and s=11.1

Complete parts a andb.

a. Compute the p-value of the test.

The p-value of the test is ?

(Round to four decimal places as needed.)

Answer #1

Solution :

= 20

=19.3

S =11.1

n = 45

This is the left tailed test .

The null and alternative hypothesis is ,

H0 : = 20

Ha : < 20

Test statistic = t

= ( - ) / S / n

= (19.3 - 20) / 11.1 / 45

= −0.423

Test statistic = t = −0.423

P-value =0.3372

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(a)
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(b)
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Question 1
The p-value of a test H0: μ= 20 against the
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significance?
Group of answer choices
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