Consider the following hypothesis test: H0: ?  ≥  19 Ha: ?  <  19 A sample of 49 provides a sample mean of 18 and a sample standard deviation of 4. (a) Determine the standard error of the mean. (Round your answer to five decimal places.)   (b) Compute the value of the test statistic. (Round your answer to three decimal places.)   (c) Determine the p-value; and using ? = 0.05, test the above hypotheses. Find the p-value. (Round your answer to four decimal places.) p-value =  State your conclusion. Do not reject H0. There is sufficient evidence to conclude ? is less than 19.Reject H0. There is sufficient evidence to conclude ? is less than 19.    Reject H0. There is insufficient evidence to conclude ? is less than 19.Do not reject H0. There is insufficient evidence to conclude ? is less than 19.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Consider the following hypothesis test:
H0: ?  ≥  19
Ha: ?  <  19
A sample of 49 provides a sample mean of 18 and a sample standard deviation of 4.
(a)
Determine the standard error of the mean. (Round your answer to five decimal places.)
 
(b)
Compute the value of the test statistic. (Round your answer to three decimal places.)
 
(c)
Determine the p-value; and using ? = 0.05, test the above hypotheses.
Find the p-value. (Round your answer to four decimal places.)
p-value = 
State your conclusion.
Do not reject H0. There is sufficient evidence to conclude ? is less than 19.Reject H0. There is sufficient evidence to conclude ? is less than 19.    Reject H0. There is insufficient evidence to conclude ? is less than 19.Do not reject H0. There is insufficient evidence to conclude ? is less than 19.
 
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