Mathematics, 24.09.2020 14:01 ashantiwilliams11120
A distribution of newly manufactured amusement park bumper cars has mean 400 pounds and standard deviation 2 pounds. A distribution of costumers on line for the bumper-car ride has mean 60 pounds and standard deviation 2 pounds. Which distribution is more spread out? Explain.
Answers: 3
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The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
A distribution of newly manufactured amusement park bumper cars has mean 400 pounds and standard dev...
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