SAT, 01.12.2021 18:10, jahnoibenjamin
An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed with mean equal to 800 hours and a standard deviations of 40 hours. Find the probability that, a random sample of 16 bulbs will have an average life of i). Less that 775 hours. Ii) between 775 and 825 hours.
Answers: 3
SAT, 26.06.2019 18:30, chocolate1294
After studying french for 5 yearscin school, i was shocked to discover when i went to france that i couldn't even get a glass of water without a lot of sign language what is the author main point
Answers: 1
SAT, 29.06.2019 00:30, MarissaHuey
Why did the following change occur? the snow that covered the ground all winter began to melt tempatures rose and flowers started to bloom
Answers: 1
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