Mathematics, 15.11.2019 04:31 em387p3s1zr
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 crackers after tasting a free sample, then x has approximately an
n(20, 4) distribution.
n(20, 16) distribution.
n(0.2, 16) distributio
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