Question: To test H0: =20 versus H1: <20, a simple random sample of size n=19 is obtained from a population that is known to be normally

To test

H0:

=20

versus

H1:

<20,

a simple random sample of size

n=19

is obtained from a population that is known to be normally distributed. Answer parts (a)-(d).

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Part 1

(a) If

x=18.4

and

s=4.1,

compute the test statistic.

t=enter your response here

(Round to two decimal places as needed.)

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