Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana. After examining accounting records for the past several years, he found that the store has been grossing over $850 per day about 70% of the business days it is open. Estimate the probability that the store will gross over $850 for the following. (Round your answers to three decimal places.) (d) fewer than 6 out of the next 20 business daysIf the outcome described in part (d) actually occurred, might it shake your confidence in the statement p = 0.70? Might it make you suspect that p is less than 0.70? Explain. (e) more than 17 out of the next 20 business daysIf the outcome described in part (e) actually occurred, might you suspect that p is greater than 0.70? Explain

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 15CR
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Trevor is interested in purchasing the local hardware/sporting goods store in the small town of Dove Creek, Montana. After examining accounting records for the past several years, he found that the store has been grossing over $850 per day about 70% of the business days it is open. Estimate the probability that the store will gross over $850 for the following. (Round your answers to three decimal places.)

(d) fewer than 6 out of the next 20 business days


If the outcome described in part (d) actually occurred, might it shake your confidence in the statement p = 0.70? Might it make you suspect that p is less than 0.70? Explain.

(e) more than 17 out of the next 20 business days


If the outcome described in part (e) actually occurred, might you suspect that p is greater than 0.70? Explain

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