I need to check my answers before submitting them, can someone please check for

Question

I need to check my answers before submitting them, can someone please check for me?? Answers are under questions in bold. Thank you!!

C

C

Johnny obtained a p-value of 0.06. Which of the following action is legitimate? n order to establish the desirable result he wanted (i.e., reject Ho), he set a 0.1 instead of a 0.05 Johnny used a 0.05 which is widely accepted in the field, and reported that HO is rejected Johnny used a 0.05 which is widely accepted in the field, and reported that he failed to reject H0. Johnny entered fake data and recalculated the p value.

Explanation / Answer

1) Fail to reject null hypothesis (Option C)

2) Population/sample information is not given
Option D

3) Here alternate hypothesis would be mu < 10, hence this is left tailed test.
In left tailed test, we find p-value = P(X<=11)
Hence option (C) is correct

4) For null hypothesis mu = 0, test is two tailed and for the anther test is one tailed.
For one tailed test p-value is half of the p-value calculated for two tailed test
hence option B

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