Mathematics, 11.03.2020 00:12 kat9490
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of 2000 hours and a standard deviation of 55 hours. What percentage light bulbs last less than 2080 hours, to the nearest tenth?
Answers: 2
Mathematics, 21.06.2019 18:30
Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?
Answers: 1
Mathematics, 21.06.2019 23:00
Ithink i know it but i want to be sure so can you me out ?
Answers: 1
Mathematics, 21.06.2019 23:30
Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333
Answers: 3
Mathematics, 21.06.2019 23:30
Fill in the table with whole numbers to make 430 in five different ways
Answers: 1
The amount of time a certain brand of light bulb lasts is normally distributed with a
mean of...
mean of...
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