Probability Exercises



Probability Exercises

"Probability": Exercises 6.75 and 6.81

Exercise 6.75

Using the formula

Therefore, P (B\A) = P (BAC is greater than .09 | Crash with one fatality) = 0.084 x = 0.007

Exercise 6.81

Probability of winning the championship = P (A) = 0.6

Probability of winning a series after losing the first game = P (B) = 1 - 0.7 = 0.3

P (B\A) = P (A). P (B) = 0.6 x 0.3 = 0.18

"Introduction to Estimation": Exercises 10.11 and 10.14

Exercise 10.11

95% confidence interval (Sample = 25) = Mean ± 1.96 (SD)/ = 80 ± 1.96 (5)/ = 80 ± 1.96

95% confidence interval ...