Mathematics, 10.03.2020 07:06 hjeffrey168
The Emperor penguin, the most annoying of all penguins, has height (in inches) that follows a normal distribution with a mean of 40 and a standard deviation of 4.
If n = 25, would a sample mean of 42 be unusual?
(a) Yes because the z-score is 2.5
(b) Yes because the z-score is 0.5
(c) No because the z-score is 2.5
(d) No because the z-score is 0.5
Answers: 3
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The Emperor penguin, the most annoying of all penguins, has height (in inches) that follows a normal...
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