Probability of fewer than 2 chickens being contaminated
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It has been estimated that about 30% of frozen chicken contain enough salmonella bacteria to cause illness if improperly cooked. A consumer purchases 12 frozen chickens.
What is the probability that the consumer will have less than 2 contaminated chickens?
Round to 3 decimal places.
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The probability of a chicken being contaminated is 30/100 (i.e., 3/10), so the probability of a chicken not being contaminated is 1 - (3/10) = 7/10.
If the consumer purchases 12 chickens, then the probability that fewer than 2 of them are contaminated is the probability that the number of contaminated chickens ...
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