edu Remaining Time: 50 minutes, 33 ssconds. Queation Completion Status QUESTION

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edu Remaining Time: 50 minutes, 33 ssconds. Queation Completion Status QUESTION 1 The sample size is not one of the causes of committing an statistical error O False QUESTION 2 If the altemative hypothesis has a mathematical sign of above p) and the experimental Z value s 12.52 ten the p-value is 0.994132 True False QUESTION 3 If the alternative hypothesis has a mathematical sign of not equal () and the experimental Z value is +3.0 then the p- value is 0.0027 False QUESTION 4 When the mean is 52, the sample size is 25, and the standard deviation is 2, the probability of committing Click Sque and Subrrit to saue and submit. Ctick Save All Answers to save all ansuers Save All Answers

Explanation / Answer

Q1)

Sample size causes Statistical error.

Therefore,it is false.

Q2)

Ha:mu>x ( right tailed test)

From standard normal table

P( z>2.52)=1-p(z<2.52)

=1-0.9941

=0.0059

Therfore it is false.

3) it is two tailed test

2*p(z>3)

2*0.00135

=0.0027

Therfore it is true

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