SOLUTION: The probability that a student will pass chem is .85. Three students are randomly selected. Find the probability that: a) all three will pass the class. B) none of the three studen

Algebra ->  Probability-and-statistics -> SOLUTION: The probability that a student will pass chem is .85. Three students are randomly selected. Find the probability that: a) all three will pass the class. B) none of the three studen      Log On


   

Question 933796: The probability that a student will pass chem is .85. Three students are randomly selected. Find the probability that: a) all three will pass the class. B) none of the three students will pass the class. C) at least 1 student will pass the class
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a) P=%280.85%29%280.85%29%280.85%29=0.614125
b) P=%280.15%29%280.15%29%280.15%29=0.003375
c) The complement to none will pass is at least one will pass.
P=1-0.003375=+0.996625