The null and alternate hypotheses are: He: Ha so H₂Hd>0 The following sample information shows the number of defective units produced on the day shift and the afternoon shift for a sample of 4 days last month. Day 2 1 3 4 10 12 15 18 8 9 12 17 At the 0.05 significance level, is there a difference in the mean number of citations given by the two shifts? a. What is the p-value? (Round your answer to 4 decimal places.) Day shift Afternoon shift p-value

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A: From the given information we find the solution.

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A: See answer below

Q: None

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Q: 12 or younger 13 or older Total Signed waiver 10 8 18 Did not sign waiver 20 12 32 Total 30 20 50

A: Let A and B are two events, then;  P(A∪B)=P(A)+P(B)-P(A∩B)

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