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MATH 227-TEST 2 SAMPLE There are 9 members on a board of directors. If they must form a subcommittee of 6 members, how many 2) How many 3-digit numbers can be formed using the digits 1,2,3,4,5,6,7 if repetition of digits is not allowed? Solve the problem. ) are Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied. 3) 10.278 2 -0.047 3 0.063 4 0.292 5 0.124 enahen Provide an appropriate response 4) In a certain town, 40% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree. Find the mean and the standard deviation for the probability distribution. x P(x) 1 0.3456 2 0.3456 3 0.1536
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) Out of 9 m embers, au sub Corn nr『ttee. 6 members can be selecked can be devum to ferm a ways e nepitinuon u nat allowed s

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