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A survey of U.S. adults found that 67% oppose raising the Medicare eligibility age from 65 to 67. You randomly select 80 U.S. adults and ask them how they feel about raising the Medicare eligibility age from 65 to 67. Find the probability that the number who oppose raising the age is
(a) At least 65,
(b) Exactly 50,
(c) More than 60,
(d) Identify any unusual events.
Explain. |
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