probability and statistics

timer Asked: Apr 6th, 2015

Question Description

In the scenarios is the sample proportion approximately normally distributed? justify your answer. Then write the sampling distribution for the sample proportion of your selection

1. Knowing that 4 out of 5 dentist recommend a particular type of chewing gum, you are randomly selected sampling 30 dentists for a study on this gum,

2. you are told that 75% of students pass test 3, historically in math 120 you take a sample of 60 students that have taken test 3.

3. Use your selection to interpret result in the context of the problem

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