In how many ways can the top 2 horses ﬁnish in a 10-horse race?
Answer to relevant QuestionsFour members from a 20-person committee are to be selected randomly to serve as chairperson, vice-chairperson, secretary, and treasurer. The ﬁrst person selected is the chairperson; the second, the vice-chairperson; the ...How many different simple random samples of size 7 can be obtained from a population whose size is 100? Suppose that a shipment of 120 electronic components contains 4 defective components. To determine whether the shipment should be accepted, a quality-control engineer randomly selects 4 of the components and tests them. If 1 ...According to the Sefton Council Password Policy (August 2007), the United Kingdom government recommends the use of “Environ passwords with the following format: consonant, vowel, consonant, consonant, vowel, consonant, ...A real estate agent conducted a survey of 200 landlords and asked how long their apartments remained vacant before a tenant was found. The results of the survey are shown in the table. The data are based on information ...
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