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Find   A) Pr(A'nB)   B) Pr(B'nA)   The "n" just means Union but there isn't one on the keyboards   Please help!

Find the probability of not having a sunny day and not being happy if...   a) being happy and having a sunny day are independent events   b) being happy and having a sunny...

A meeting takes place between a diplomat and fourteen government officials. However four of the officials are actually spies. If the diplomat gives secret information to ten of the attendees at random,...

If any given single game of checkers, Gabe beats Jethro 2/3 of the time. [assume that there are no ties] Gabe and Jethro play a "best out of three" checker match. Compute the probability...

An unfair coin with Pr[H]=2/3 is flipped. If the flip results in a head, marble selected from an urn containing 10 red, 7 white, and 5 blue marbles. If the flip results in tail, the marble is selected...

Let event A=subject is telling the truth and event B=polygraph test indicates that the subject is lying. translate the notation P(B|A) into a verbal statement.

A fair paid of dice is rolled and the sum of the points is noted. What is the probability that one of the dice shows 3, given that the sum of the dice is 5?

100 students were surveyed. 65 have been to Florida, 45 have been to California, and 15 have been to neither. How many students have been to...   both florida and california?    Exactly...

The two-way table below contains the outcomes of each of the Lakers' regular season games and whether or not the games went into overtime.                ...

The two-way table below contains the outcomes of each of the Lakers' regular season games and whether or not the games went into overtime.                ...

Three members from each team's twenty player hockey team roster are randomly selected for drug testing at the beginning of a tournament. The coach of a low-seeded team complains when none of the starters...