Probabilities

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you and your best friend each flip a normal coin. if both coins come up heads, you get 5 points nd your friend loses two points. if there is one head and one tail, you get 1 point and your friend loses 2 points. if they both come up tails, you lose 4 point and your friend get 4 points. by the rules of game theory, is this game fair? if not, in 100 trials, who is expected to have more points?

If A and B are mutually exclusive events with P(A)=1/7, P(B)=2/7 then P(A or B) equals?

95% order pizza. if 65% order pizza and a salad, p(a customer who orders pizza will also order a salad)=??

If you roll a die 40 times and 9 of the rolls result in a "5", what empirical probability was observed for the event "5"?

A multiple choice test has 5 questions with four choices for each question. In how many dif ways can the test be completed?

In this video, Salman Khan of Khan Academy explains probability. Part 7 of 8.

In this video, Salman Khan of Khan Academy explains probability. Part 6 of 8.

In this video, Salman Khan of Khan Academy explains probability. Part 5 of 8.

In this video, Salman Khan of Khan Academy explains probability. Part 4 of 8.

In this video, Salman Khan of Khan Academy explains probability. Part 1 of 8.

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