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It should Be Solved by differences between Two means. Exercise 2: Suppose in fact 60% of all KSA adults between the age of 30 and

It should Be Solved by differences between Two means.

Exercise 2: Suppose in fact 60% of all KSA adults between the age of 30 and 39 exercise at least 3 days per week. If we take a random sample of 100 KSA adults, what is the probability that at least 70% of them exercise at least 3 days per week

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