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a company is taking a survey to find out whether people like its product. Their last survey indicated that 70% of the population like the product. based on that, of a sample of 58 people, find the probability of the following.

a) all 58 like the product.

for this do i do:


b) from 28 to 30 (inclusive)like the product.

for this: ?

a) yes

b) Add the probabilities of getting 28, 29 and 30 out of 58 liking the product. For each case, use the binomial probability equation described at

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