A hypothetical population consists of eight individuals ages 13, 15, 17, 20, 22, 24, 28, and...
A hypothetical population consists of eight individuals ages 13, 15, 17, 20, 22, 24, 28, and 30 years. (Enter your answers to three decimal places.)
(a) What is the probability that a person in this population is
a teenager?
(b) What is the probability of selecting a participant older than
30?
(c) What is the probability of selecting a participant who is at
least 20 years old?
Homework Answers
a) Number of teenagers = 3
Hence,
P(Selecting teenager) = 3/8 = 0.375
b) P(Selecting participant older than 30) = 0
c) P(Selecting participant atleast 20 years old) = 5/8 = 0.625
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