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Color-blindness is gender-based, with the majority of sufferers being males. Roughly 8% of white males have some form of colo
The instructor wanted to pass anyone who scored above 69. What proportion of exams will have passing score 25 75 .2266 7734
Question 4 of 4 Suppose that the top 4% of the exams will be given an A. In order to be given an A, an exam must earn at lea
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Answer #1

1. Here, the sample size for the males is 20, which is less than 30. Whereas, the sample size for the females is 40, which is more than 30.

If the sample size is more than 30, we can approximate the sample using normal distribution. So, here only Y can be approximated using normal random variable.

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