Probability of 4 Adults Having Health Insurance

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SUMMARY

The probability that four adults selected at random have health insurance, given that 66% of adults possess health insurance, is calculated using the formula (0.66)^4. This results in a probability of approximately 0.1877, or 18.77%. This calculation assumes a large population size, which allows for the use of the binomial probability formula without adjustments for finite population effects.

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jridgeman99
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66% of adults have health insurance, what is the probability that 4 adults selected at random have health insurance?
 
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Assuming this is from a very large population (and we have to since we not given the size of the population), that would be (0.6)^4.
 

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