Mathematics, 02.12.2019 17:50 cannaincorporated

# Acompany manager wants to estimate the average length of phone calls in a call center for a tech support company. in a sample of 2500 calls, the mean duration is 163 seconds and the population standard deviation is 114 seconds. describe the distribution of this sample involving the sampling distribution of sampling means.

Answers: 1

Mathematics, 04.02.2019 18:45

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

Answers: 3

Mathematics, 03.02.2019 19:20

Cye- na is staring a juice stand. it takes her 15 min to prepare 3 1/4 cups of juice. how many hours would it take her to prepare 32 1/2 cups of juice? ? plzzz i will give you 100 points

Answers: 2

Mathematics, 02.02.2019 21:40

For the past 5 years frank and peggy have deposited 15000 in a retirement account with a simple rate of 7 %.they plan to continue to make annual deposits for the next 20 years. how will their money grow over time.

Answers: 2

Mathematics, 02.02.2019 04:32

Solve for x and y. in a right triangle, a perpendicular segment, labeled x, is drawn from the right angle to the hypotenuse. the segment of hypotenuse on one side of the perpendicular segment has length 8 and has length 4 on the other side. the side of the triangle adjacent to segment of length 8 has length y. y 4

Answers: 1

Acompany manager wants to estimate the average length of phone calls in a call center for a tech sup...

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