characteristics of Sampling Proportions If the sample size n is large and p is not too close to 0 or 1, then Sampling Di

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Characteristics Of Sampling Proportions If The Sample Size N Is Large And P Is Not Too Close To 0 Or 1 Then Sampling Di 1 (28.83 KiB) Viewed 29 times

characteristics of Sampling Proportions If the sample size n is large and p is not too close to 0 or 1, then Sampling Distribution of Proportions is approximately normal. Generally, we need np 210 and n(1-p) ≥ 10 in order for the normal approximate to be reasonable. Example 12 Suppose 57% of all adults in US between 35-40 years of age exercises at least 4 days per week. If we take a random sample of 90 adults between 35-40 years, what is the probability that more than 45% of them exercise at least 4 days per week? Page 12 of 12