SOLUTION: It is estimated that 25% of all California adults are college graduates and that 31% of California adults are regular internet users. It is also estimated that 21% of California ad
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-> SOLUTION: It is estimated that 25% of all California adults are college graduates and that 31% of California adults are regular internet users. It is also estimated that 21% of California ad
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Question 1179356: It is estimated that 25% of all California adults are college graduates and that 31% of California adults are regular internet users. It is also estimated that 21% of California adults are both college graduates and regular internet users
a) Among California adults, what is the probability that a randomly chosen internet user is a college graduate? Round your answer to 2 decimal places.
(b) What is the probability that a California adult is an internet user, given that he or she is a college graduate? Round your answer to 2 decimal places. Answer by ikleyn(52814) (Show Source):
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It is estimated that 25% of all California adults are college graduates and that 31% of California adults
are regular internet users. It is also estimated that 21% of California adults are both college graduates
and regular internet users
a) Among California adults, what is the probability that a randomly chosen internet user is a college graduate?
Round your answer to 2 decimal places.
(b) What is the probability that a California adult is an internet user, given that he or she is a college graduate?
Round your answer to 2 decimal places.
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(a) P(a randomly chosen internet user is a college graduate) =
// use the definition of the conditional probability
= = = 0.68 (rounded). ANSWER
(b) P(a California adult is an internet user, given that he or she is a college graduate) =
// use the definition of the conditional probability
= = = 0.84 (rounded). ANSWER
Solved.
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This problem is to develop your skills solving the conditional probability problems.
