alexvane78
27.02.2020 •
Mathematics
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.)
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Ответ:
16
at 4 years old , brother is half your age , that is 2
hence your brother is 2 years younger than you.
thus at 18 years old your brother is 16 years old.