Mathematics, 17.12.2020 17:40 bella2017
For a certain urban area, in a random sample of 7 months, an average of 28 mail carriers were bitten by dogs each month. The standard deviation of the sample was 3.5. Find the 99% confidence interval of the true mean number of mail carriers who are bitten by dogs each month. Assume the variable is normally distribute.
a. (29.38)
b. (25, 33)
c. (23,33)
d. (23.35)
Answers: 2
Mathematics, 21.06.2019 14:30
The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m
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Mathematics, 21.06.2019 20:30
26) -2(7x) = (-2 β’ 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition
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Mathematics, 21.06.2019 21:10
Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terranceβs score if t represents terrance score which inequality represents the situation
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Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
For a certain urban area, in a random sample of 7 months, an average of 28 mail carriers were bitten...
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