Mathematics, 08.07.2019 02:40 GabbyGood1072
Apopular chain of superstore makes 30.479×10730.479×107 dollars in profit each year. one of its store makes 210.2×104210.2×104 in profit each year. how many times greater is the profit made by the chain than by one of its store? enter your answer, using scientific notation, in the boxes.
Answers: 1
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 19:40, lylah42
The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes
Answers: 3
Apopular chain of superstore makes 30.479×10730.479×107 dollars in profit each year. one of its stor...
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