Contents
- 1 What is the probability that it will rain and the bus will be late?
- 2 How do you find the probability of at most one?
- 3 What is the probability of a student studying science?
- 4 Can you calculate the joint probability of both events?
- 5 Which is greater the probability of a baseball player hitting a home run?
What is the probability that it will rain and the bus will be late?
A bus comes around your house every day. When it rains, there is a 20% probability that it is going to be late. When it doesn’t rain, there is a 10% probability that it’s going to be late. The probability that it will rain is 40%.
How do you find the probability of at most one?
The easy way to do it: the probability that at most one event will occur is the same as the probability that not both will occur, that is, 1−P(A∩B) .
What symbol means at most?
The notation a ≤ b or a ⩽ b means that a is less than or equal to b (or, equivalently, at most b, or not greater than b).
What is the probability of a student studying science?
Example: In a class, 40% of the students study math and science. 60% of the students study math. What is the probability of a student studying science given he/she is already studying math?
Can you calculate the joint probability of both events?
You can’t calculate the joint probability knowing the probability of both events occurring, which is not in the information given; the probabilities should be multiplied, not added; and probability is never greater than 100% A home run by definition is a successful hit, so he has to have at least as many successful hits as home runs.
Which is the correct formula for the probability of winning?
Probability Formulas: Odds, are given as (chances for success) : (chances against success) or vice versa. If odds are stated as an A to B chance of winning then the probability of winning is given as P W = A / (A + B) while the probability of losing is given as P L = B / (A + B).
Which is greater the probability of a baseball player hitting a home run?
The probability that a baseball player hits a home run is greater than the probability that he gets a successful hit. You can’t calculate the joint probability knowing the probability of both events occurring, which is not in the information given; the probabilities should be multiplied, not added; and probability is never greater than 100%