Mathematics, 12.02.2020 01:54 davidb1113
The Post Office has established a record in a major midwestern city for delivering 90 percent of its local mail the next working day. Answer the following questions based on this information:a. If you mail eight local letters, what is the probability that all of them will be delivered the next day?b. If you mail eight local letters, what is the average number you expect to be delivered the next day?c. Calculate the standard deviation of the number delivered when 8 local letters are mailed. d. When there are 8 local letters mailed, what is the probability that the number delivered will be within 2 standard deviations of the mean?
Answers: 3
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Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)
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Mathematics, 21.06.2019 18:00
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?
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Mathematics, 21.06.2019 18:50
The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9
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Mathematics, 21.06.2019 18:50
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
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