Mathematics, 21.10.2021 14:00, chycooper101
2. Many electronic devices use disposable batteries, which event
ally have to be replaced. Assume that for one particular brand
and type of battery, the distribution of the hours of useful power
can be approximated well by a Normal model. The mean is
140 hours, and the standard deviation is 4 hours.
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c) The company's research department has been given the tax
of improving the batteries, with a goal that at least 90% of
the new batteries should last longer than the average of the
current type. Initial research suggests that a mean of
143 hours is attainable. What other improvement must they
make to achieve their goal?
d) Explain what the improvement you suggest in partc would
mean about the new batteries.
Answers: 2
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Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25
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Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points
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Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,
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Mathematics, 21.06.2019 22:10, layshjjbradshaw7250
What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²
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2. Many electronic devices use disposable batteries, which event
ally have to be replaced. Assume...
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