Concept explainers
Hardware Store: Income Trevor is interested in purchasing the local hard- ware/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 60% of the business days it is open. Estimate the
(a) at least 3 out of 5 business days.
(b) at least 6 out of 10 business days.
(c) fewer than 5 out of 10 business days.
(d) fewer than 6 out of the next 20 business days. Interpretation If this actually happened, might it shake your confidence in the statement p = 0.60? Might it make you suspect that p is less than 0.60? Explain.
(e) more than 17 out of the next 20 business days. Interpretation If this actually happened, might you suspect that p is greater than 0.60? Explain.
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Chapter 6 Solutions
UNDERSTANDING BASIC STAT LL BUND >A< F
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