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July 6, 2015

Homework Help: MATH - immediate help needed!

Posted by Vivan on Saturday, February 2, 2013 at 4:29am.

Please provide the solution to the below problems:


In a certain state lottery, a player selects four different numbers from 1 through 30. Find the probability that a single choice of four numbers wins the lottery, assuming the order of the numbers is not important.

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A club consisting of 20 members wishes to form a four-member committee. In how many ways can this be done?


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A jar contains 4 red balls and 6 green balls. A second jar contains 5 red balls and 8 black balls. If we select one ball from each jar, what is the probability of obtaining 1 red ball and 1 black ball?


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What is the probability of flipping a coin five times and obtaining exactly three heads?

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