Question: I need the answers and explanations to both problems please 7. Model shipping? Refer to Exercise 3. Would it be appropriate to use a normal

I need the answers and explanations to both problems please

7. Model shipping? Refer to Exercise 3. Would it be appropriate to use a normal distribution to model the sampling distribution of ; - the proportion of orders in the last week that were shipped within 3 working days? Justify your answer. Use n=100, p=.90 to show that this situation meets the Large Counts Condition (2 pts) Women on diets Suppose that 70% of all college women have been on a diet within the past 12 months. A sample survey interviews an SRS of 267 college women. Find the probability that 75% or more of the women in the sample have been on a diet. A) Find mean and standard deviation. (2 pts) B) Show that this situation meets the Large Counts Condition. (2 pts) C) Calculate the z-score and find the desired probability. (2 pts)

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