Mathematics, 18.10.2019 18:10 joynerjaila
As part of a promotion for a new type of cracker, free trial samples are offered to shoppers in a local supermarket. the probability that a shopper will buy a packet of crackers after tasting the free sample is 0.200. different shoppers can be regarded as independent trials. if x is the number among the next 100 shoppers who buy a packet of the crackers after tasting a free sample, then the probability that fewer than 30 buy a packet after tasting a free sample is .
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As part of a promotion for a new type of cracker, free trial samples are offered to shoppers in a lo...
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