Mathematics, 24.08.2021 20:50 jeffhuffle17
The mean life time of sample of 100 fluorescent light bulbs produced by a company is computed to be 1570 hours with a standard deviation of 120 hours. The company claims that the average life of the bulbs produced by it is 1600 hours. Using the level of significance of 0.05, is the claim acceptable?
Answers: 3
Mathematics, 21.06.2019 21:00
Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?
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Mathematics, 21.06.2019 21:30
Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?
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Mathematics, 21.06.2019 22:30
There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?
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