I need some direction and tutoring please my math is quite bad so some explanation would be helpful

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Question

I need some direction and tutoring please. my math is quite bad so some explanation would be helpful.

HD: #1 = pg H1: H1 ii #2 Reject He inc—1.95 or z := 1.95 Eefl: _1_|]4 lam): + {1.23}2
4D 50 He is not rejected. There is no difference in the mean number of calls. p—value = 213.56% —…
Statistics and Probability