Use the Hypergeometric formula: A high school graduation com…
Use the Hypergeometric formula: A high school graduation committee is to be formed by choosing randomly from 11 students and 4 teachers. If the committee is to have 10 members, find the probability that exactly 8 of them are students. Give your answer as a decimal rounded to the hundredths place.
Read DetailsA leading large college recently reported that 56.5% of its…
A leading large college recently reported that 56.5% of its student body had concerns about the increasing price textbooks. If three students from this college were chosen at random, what is the probability that at least one of these three students chosen would be concerned about the increasing price of textbooks? Hint: use the complement and be sure to give your answer as a decimal rounded to the hundreths place.
Read DetailsLibrary patrons in a large metropolitan area were questioned…
Library patrons in a large metropolitan area were questioned about extending library hours. 65.8% of those polled agreed with extending hours. If two library patrons from this metropolitan area were chosen at random, what is that probability that both of them would agree to extended hours? Give your answer as a decimal (rounded to the hundredths place).
Read Details57.6% of the voters in a large city support the building of…
57.6% of the voters in a large city support the building of a new recycling center. If three voters from the city are chosen at random, what would be the probability that all three voters would oppose the building of the new recycling center? Give your answer as a decimal rounded to the hundreths place.
Read DetailsIf three cards are drawn from an ordinary deck without repla…
If three cards are drawn from an ordinary deck without replacement, what is the probability that at least one of the cards is from the spade’s suit. Hint: use the complement. Be sure to give your answer as a decimal rounded to the hundredths place.
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