14111cwir9ws.3

14111cwir9ws.3 - are replaced each time, what is the...

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7. A fair six-sided die is rolled 50 times. (a) What is the probability of rolling a Fve 10 times? (b) What is the probability of rolling an even number 20 times? (c) What is the probability of rolling a 3 at most 10 times? (d) What is the probability of rolling an odd number at least 35 times? (e) How many times would you expect to roll a number less than three? (f) What is the standard deviation of the number of times you roll a number less than three? 8. A sample of two cards is randomly selected from a standard deck of 52 cards. If this experiment is repeated 20 times and the cards
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Unformatted text preview: are replaced each time, what is the probability of getting exactly two spades at least four times? 9. An experiment consists of selecting a sample of 2 coins from a bowl containing a penny, a nickel, a dime, and a quarter and observing which coins are in your hand. (a) Give the sample space for this experiment. (b) ind the event E where E is the event that the sum of the coins is greater than $0 . 11. (c) ind the probability of the event E ....
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This note was uploaded on 03/04/2012 for the course MATH 141 taught by Professor Jillzarestky during the Fall '08 term at Texas A&M.

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