3. The Harvard College Alcohol Study interviewed a SRS of 500 college students about their drinking habits. Suppose that 45% of all college students answer a certain question positively. A. What are the mean and the standard deviation of the proportion of the sample who answer “yes”. Test the independence assumption (population is 10X sample size) before calculating s.
B. Test the normality assumption. Is it safe to use normal probabilities in this case?
C. Find the probability that p is between 0.43 and 0.46.​

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

cutt.ly/kzH1l58

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,