What is probability?

When do we use the uniform probability model?

What is AUB when calculating probability for compound events?

What is AUBc?

A upside down U B

How do you find the probability of both a and b if there are 42 A and 9 B out of 100 people?

What is an independent event?

How do you find the probability of A and B happening if A and B are independent

an urn contains 5 white balls and 10 black balls. tow balls are draw without replacement meaning you put the ball back after you draw it. What is the probability you will draw two white balls?

What if you dont put the ball back in after you draw it?

There are three radar guns that have a 0.02 probability that they wont detect a plane. What is the probability none will go off?

What is the likelihood at least one will detect the plane?

What is the likelihood all three will go off?

there are two fire alarms, one with a 0.95 change of detecting smoke and one with a 0.90 chance of detecting heat. What is the likelihood at least one alarm will go off?