Mathematics, 26.04.2021 15:40 dalilahrodriguez
(a)
Tony moved to a new house and wants to install a pool and landscape the yard. He will hire a company to manage the landscaping. Tony is considering hiring Company A or Company B.
Company A’s and Company B’s landscaping costs are shown in the tables below.
The following question has three parts. First, answer Part A. Second, answer Part B. Then, answer Part C.
Compare the landscaping costs between Company A and Company B. Let c represent landscaping cost, in dollars, and s the yard size, in square feet.
Part A
Write an equation to model what it would cost if Company A was hired. Enter the correct equation in the box.
Part B
Write an equation to model what it would cost if Company B was hired. Enter the correct equation in the box.
Part C
Which company would cost Tony the least amount to landscape 2,500 square feet? Explain your answer. Enter the correct answer and explanation in the box.
Answers: 2
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The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
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(a)
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