Probability Questions Solved

Calculate the probability that a randomly selected car is new. Further, verify the results by comparing the conditional probability directly.

Sedan new  24, used 9, total 33

SUV new 15, used 12, total 27

total new 39, used, 21, total cars 60

Step (1) - Suppose a that UOPX population is 60% female.  Calculate the probability that a class of 10 students have exactly 4 females.

Step (2) - Calculate the probability that a class of 10 students have 5, 6, or 7 females.  Calculate each probability individually.