Mathematics, 10.12.2020 18:30 trob1902
A lightbulb manufacturer has found that the amount of time their lightbulbs
work is normally distributed with a mean of 500 hours and a standard deviation
of 50 hours. In a random sample of 1,500 of lightbulbs, which of the following is
closest to the expected number of lightbulbs that would work for more than
600 hours?
0 240
O 38
O 1,462
o 2
Answers: 2
Mathematics, 21.06.2019 13:00, lamwil9432
20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =
Answers: 1
Mathematics, 22.06.2019 00:00, dasiaflowers85
The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle?
Answers: 1
A lightbulb manufacturer has found that the amount of time their lightbulbs
work is normally distri...
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