Question

Name:VelVe Kass February 9, 2018 Stat371 Quiz 3 Show work to receive full credit. Calculators allowed. 5% ABD= Always Be Drawing e )1. (a) If A and B are independent and P(A) = .6 and P(B) = .7 then what is P(An B)? (b) Let S be the sample space for rolling a fair die. O (1,3,5), T 1,2) are O and T independent? (c) A and B are dependent events with P(A) = .3, P(B) 6, P(pr)-8, what is P(An B)? 2. The chance a random male high school athlete is on the football team is .70. The probability he is on the tonm ia 4h and the probability he is either on the football team or the basketball team is .85

Answer 1

Chegg's question ID q26814356 a) If A and B are independent, P(A and B)-P(A) *P(B) 0.6 *0.7 0.42 b) P(O) 3/6 1/2 P(T) 2/6-1/3 P(O and T) P1/6 Since P(O and T) - P(O) * P(T) > these are independent c) P(A and B) P(A) * (B |A) 0.3* 0.8 0.24