Determining the approximate probability

Reference no: EM131008784

The campus representative for Lens.com wants to know what percentage of studentNs at a university currently wear contact lens. Suppose the true proportion is 30%.

a) We randomly pick 100 students. Let p repreN sent the proportion of students in this sample who wear contacts. What's the appropriate model for the distribution of p? Specify the name of the distribution, the mean, and the standard devia- tion. Be sure to verify that the conditions are met.

b) What's the approximate probability that more than one third of this sample wear contacts?

Reference no: EM131008784

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