Question 6.20 (pg. 325)

PUT ANSWERS IN AS DECIMALS ROUNDED TO TWO DECIMAL PLACES.

(b) Use the table constructed in part (a) to approximate the probability that a randomly selected first-year student at this university will be on academic probation at the end of the first semester.

(c) What is the estimated probability that a randomly selected first-year student at this university had a high school GPA of 3.5 or above?

(d) Are the two outcomes selected student has a GPA of 3.5 or above and selected student is on academic probation at the end of the first semester independent outcomes

(e) Estimate the proportion of first-year students with high school GPAs between 2.5 and 3.0 who are on academic probation at the end of the first semester.

(f) Estimate the proportion of those first-year students with high school GPAs of 3.5 and above who are on academic probation at the end of the first semester.