Write the word or phrase that best completes each statement or answers the quest

Question

Write the word or phrase that best completes each statement or answers the question. In the game of craps two dice are rolled and the up faces are totaled. If the person rolling the dice on the first roll rolls a 7 or an 11 total they win. If they roll a 2, 3, or 12 on the first roll they lose. If they roll any other total then on subsequent rolls they must roll that total before rolling a 7 to win. What is the probability of winning on the first roll? Consider the data in the table shown which represents the marital status of males and females 18 years or older in the United States in 2003. Determine the probability that a randomly selected U.S. resident 18 years or older is divorced or a male? Round to the nearest hundredth. Source: U.S. Census Bureau, Current Population reports

Explanation / Answer

Solution:

There are 6 ways to get 7 is
(1 6, 2 5, 3 4, 4 3, 5 2, 6 1)
and 2 ways to get 11 is (5 6, 6 5)
So, making 8 first roll wins out of 36 possible rolls.
P(win on first roll) = 8/36 = 2/9 = 0.2222

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