A Large Freight Elevator Can Transport A Maximum Of 14588 Pounds Suppose That A Load Of Cargo Containing 49 Boxes Must 1 (60.04 KiB) Viewed 99 times
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A Large Freight Elevator Can Transport A Maximum Of 14588 Pounds Suppose That A Load Of Cargo Containing 49 Boxes Must 2 (71.26 KiB) Viewed 99 times
A large freight elevator can transport a maximum of 14588 pounds. Suppose that a load of cargo containing 49 boxes must be transported via the elevator. It is known that the weight of a box this type is a normal random variable with mean 290 pounds and standard deviation of 18 pounds. What is the probability that all the boxes can be sent simultaneously through the elevator? None in the list 0.499 0.001 0.501 0.999 Submit Answer Tries 0/4
The scores of a test designed to measure the reading ability of children has mean 38 and standard deviation 5. It is desired to make a linear trnsformation x(new)=a+bx, with b positive, so that x(new) has mean 47.1 and standard deviation 6. What is b? O 0.200 O 1.200 O None in the list. O 0.600 O 2.200 Submit Answer Tries 0/4 What is a? O 0.500 0 2.500 O None in the list. O 0.750 O 1.500 Submit Answer Tries 0/4 If a student scores 12, what would be the transformed score under the new scale? O 13.500 15.900 O None in the list. 12.000 0 14.400 Submit Answer Tries 0/4
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