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

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

b) What is the standard error of the sampleproportion? f

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