A survey of 250students 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, 150 of the 250students responded? "yes."
?a) What is the value of the sample proportion Modifying Above p with caret?
?b) What is the standard error of the sample? proportion?
?c) Construct an approximate 95?% confidence interval for the true proportion p by taking plus or minus 2 +- SEs from the sample proportion.