Homework: 4-2 MyStatLab: Module Four Problem Set Score: 1.25 of 5 pts 12 of 15 (

Question

Homework: 4-2 MyStatLab: Module Four Problem Set Score: 1.25 of 5 pts 12 of 15 (15 complete) V % 10.3.5 To test Ho: p= 100 versus Hy: p# 100, a simple random sample size of n= 20 is obtained from a population that is known to be normally distributed. Answer parts (a)-(d). A Click here to view the t-Distribution Area in Right Tail. (a) If x= 104.7 and s=9.8, compute the test statistic. t= 2.145 (Round to three decimal places as needed.) (b) If the researcher decides to test this hypothesis at the a= 0.01 level of significance, determine the critical values. The critical values are. (Use a comma to separate answers as needed. Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer.

Explanation / Answer

=0.01

n=20
df =n-1 =20-1 =19

using the t table
we get critical values as -2.861,2.861

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