Question

Help Save & Exit Submit At a local community college, 59% of students who enter the college as freshmen go on to graduate. Seven freshmen are randomly selected. a. What is the probability that none of them graduates from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability b. What is the probability that at most six will graduate from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) Probability < Prey 5 of 5 o ere to search PSC Insert Delete A c F12 F11 F10 FA F9

please use a simpler method.

Answer 1

(a)

in each frial let in the Binomial distribution pa probability of Succes = freshman graduates from local community College 2 0.59. local community nat from probabile graduates of d = probability of failure. ability freshman College -0.411 Probability of the 7 freshmen graduates (randonnely selected) graduates from the local community college- P(Ao). whene, P (A) = n p dn a) none of n-e. here, n=7, i- 0 7 P(Ao) = co 07. Þd 2 (0.41) 7 2 =10.0019 47 - the probability that none of them graduates from beal community College,

(b) & (c)