The following data represent the responses (Y for yes and N for no) from a sample of 20 college students to the question "Do you currently own shares in any stocks?"
Y Y Y Y Y Y Y N N N
Y Y N Y Y N Y N Y NO
a. Determine the sample proportion, p, of college students who own shares of stock
b. If the population proportion is 0.30, determine the standard error of the proportion.
a. p=
(Type an integer or a decimal.)
b. 0,=
(Round to four decimal places as needed.)