Answered

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Suppose that 10% of adults belong to health clubs, and 40% of these health club members go to the club at least twice a week. Find the probability that a randomly selected adult belongs to a health club and goes there at least twice a week.

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The probability that a randomly selected adult belongs to a health club and goes there twice a week at least is 4.0.

Using the general multiplication rule,

The probability that a randomly selected adult belongs to a health club and goes there twice a week at least can be given as follows:

Given that, 10% of adults belong to health clubs and 40% go the club at least twice a week.

P(go to health club at least twice a week)

=P(health club member)*P(go >= twice a week | health club member)

= 10% * 40%

= 4.0

To learn more about probability check the link below:

https://brainly.com/question/13604758

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