Mathematics, 14.02.2020 00:08 pacangel
According to the u. s. national center for health statistics, there is about an 80% chance that a person aged 20 will be alive at age 65. suppose that three people aged 20 are selected at random. a). let x (random variable) denote the number of people of the three who are alive at age 65. what is the range of the random variable? b). find the probability that exactly only two of the three people will be alive at age 65.
Answers: 3
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According to the u. s. national center for health statistics, there is about an 80% chance that a pe...
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