SOLUTION: A raffle advertises that ”1 out of every 10 tickets is a winner!” You buy 30 tickets,
none of which are winners. Assuming that the claim is actually true, what is the
probabi
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-> SOLUTION: A raffle advertises that ”1 out of every 10 tickets is a winner!” You buy 30 tickets,
none of which are winners. Assuming that the claim is actually true, what is the
probabi
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Question 1176390: A raffle advertises that ”1 out of every 10 tickets is a winner!” You buy 30 tickets,
none of which are winners. Assuming that the claim is actually true, what is the
probability that you would have less than 1 winning ticket in a sample of 30 tickets?
What does this tell you about the claim that the people who are running the raffle
are making? Answer by ikleyn(52788) (Show Source):
Less than one winning ticket is the same as "NO winning tickets".
The probability to have zero winning tickets among 30 bought tickets is
P = = 0.0424. ANSWER
It says that the probability to win having 30 randomly chosen tickets is
P' = 1 - 0.0424 = 0.9576,
which is quite high probability.
