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MissTica
3 years ago
6

2. Marquan sells pretzels at Auntie Anne and earns $15 per hour,

Mathematics
1 answer:
Andre45 [30]3 years ago
6 0

dollars per hour = salary

a

dollars per hours multiplied with hours worked (h) = total earnings

b

15 x 2 = 30

15 x 3 = 45

15 x 5 = 75

(h)

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10. A company finds that 45% of first-time visitors to its website do not buy any of its products. If there are 75 first-time vi
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For each first-time visitor, there are only two possible outcomes, either they buy a product, or they do not. The probability of a first-time visitor buying a product is independent of any other first-time visitor, hence the binomial distribution is used to solve this question.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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The parameters are:

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In this problem:

  • 45% of first-time visitors to its website do not buy any of its products, hence 55% buy, that is, p = 0.55.
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The probability that exactly 36 of them buy a product is P(X = 36), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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More can be learned about the binomial distribution at brainly.com/question/24863377

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