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Homework Help
Calculus and Beyond Homework Help
Probability of Randomly Selective Event, Conditional Probability
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[QUOTE="conniebear14, post: 4989826, member: 488059"] [h2]Homework Statement [/h2] A company has been running a television advertisement for one of its new products. A survey was conducted. Based on its results, it was concluded that an individual buys the product with probability [PLAIN]https://utdvpn.utdallas.edu/wwtmp/equations/42/,DanaInfo=.aevnhvE00ljvwm5Ntt.,SSL+b76747aa0afb1816e5979c66ce77851.png[/PLAIN] , if he/she saw the advertisement, and buys with probability [PLAIN]https://utdvpn.utdallas.edu/wwtmp/equations/1e/,DanaInfo=.aevnhvE00ljvwm5Ntt.,SSL+e895ee9ca85bcbf1e55a96a7573c291.png[/PLAIN] , if he/she did not see it. Twenty-five percent of people saw the advertisement. a. What is the probability that a randomly selected individual will buy the new product? b. What is the probability that at least one of randomly selected five individuals will buy the new product? [h2]Homework Equations[/h2] P(A|B) = P(B|A)P(A)/P(B) [h2]The Attempt at a Solution[/h2] I already got part A correct. The answer is .2 I am confused on part B probably because of the 1/5 thing. Which equation should I use and where should I start with this one?[/B] [/QUOTE]
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Probability of Randomly Selective Event, Conditional Probability
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