Mathematics, 30.10.2019 20:31 thawngmawi
Express courier service has found that the delivery time for packages is normally distributed, with mean 13 hours and standard deviation 2 hours. (a) for a package selected at random, what is the probability that it will be delivered in 18 hours or less? (round your answer to four decimal places.) (b) what should be the guaranteed delivery time on all packages in order to be 95% sure that the package will be delivered before this time? (hint: note that 5% of the packages will be delivered at a time beyond the guaranteed time period.) (round your answer to one decimal place.)
Answers: 1
Mathematics, 21.06.2019 18:10
What is the value of x in the following equation. -x ^3/2 = -27
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Mathematics, 21.06.2019 18:30
True or false? a circle could be circumscribed about the quadrilateral below.
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Mathematics, 21.06.2019 20:50
Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset
Answers: 1
Express courier service has found that the delivery time for packages is normally distributed, with...
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