Mathematics, 14.05.2021 18:50 vorhees2406
The duration of audio content on audio CDs is found to follow a normal distribution, with a mean of 82.1 minutes and a
standard deviation of 6.5 minutes.
If the company distributes 5.5 million CDs in one year, what is the approximate number of CDs that have content lasting less than
70 minutes?
Answers: 3
Mathematics, 21.06.2019 18:00
10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.
Answers: 1
Mathematics, 21.06.2019 19:10
The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)
Answers: 1
Mathematics, 22.06.2019 02:30
The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?
Answers: 2
The duration of audio content on audio CDs is found to follow a normal distribution, with a mean of...
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