43​% of men consider themselves professional baseball fans. you randomly select 10 men and ask each if he considers himself a professional baseball fan. find the probability that the number who consider themselves baseball fans is​ (a) exactly​ five, (b) at least​ six, and​ (c) less than four.

Respuesta :

a)0.43^5*0.57^5

b)0.43^6*0.57^4

c)0.43^3*0.57^7+0.43^2*0.57^8+0.43^1*0.57^9+0.57^10