## A Survey Of 300 Students Is Selected Randomly

A survey of 300 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. Suppose that based on the survey,105 of the 300 students responded “yes. “a) What is the value of the sample proportion P^?b) What is the standard error of the sample proportion? fc) Construct an approximate 95 %confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion.

## A survey of 300 students is selected randomly

Question

A survey of 300 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. Suppose that based on the survey,105 of the 300 students responded “yes.”

a) What is the value of the sample proportion P^?

b) What is the standard error of the sample proportion? f

c) Construct an approximate 95 %confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion.

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