AP Statistics › How to apply conditional probability
There are 10 horses in a herd. 4 are males, 6 are females. 7 of the horses are brown while the remaining 3 are white. 5 female horses are brown. A horse is randomly selected from the herd. Given that the horse is brown, what is the probability that the horse is a male?
There are 10 horses in a herd. 4 are males, 6 are females. 7 of the horses are brown while the remaining 3 are white. 1 male horse is white, 5 female horses are brown.
A horse is randomly selected from the herd. What is the probability that the horse chosen is brown or female?
There are 10 horses in a herd. 4 are males, 6 are females. 7 of the horses are brown while the remaining 3 are white. At least 1 male horse is white and 5 female horses are brown.
One horse is selected at random from the herd. What is the probability of selecting a female horse given that the horse selected is white?
Number of Emails | ||||
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Probability |
The number of emails that Sam can respond to per hour is given by this probability distribution. What is the average number of emails that Sam respons to per hour?
The probability that there will be an accident on Highway each day is determined by the weather. If it's a dry day, there is a
% chance of an accident, and a
% chance if it's a wet day. The radio says that there is a
% chance of rain today. What is the probability that there will be an accident on Highway
today?
A child has a bag of marbles-- red,
blue, and
yellow. The child randomly selects one marble and gives it away. The child then selects a second marble. What is the probability that both marbles selected were yellow?
There is a sample of 100 randomly selected children (60 of which are boys and 40 are girls). They were asked if they liked to play football. 55 boys answered yes to the question and 5 of the girls aswered yes to the question. What is the probability that a child said yes to the question give that they are a boy?
How many different football teams of 11 members may be created from 13 men, without regard to the position played by any of the members?