Mathematics, 30.06.2019 06:40 accounting73
Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 75 hours. find the probability that a randomly selected light bulb will last between 900 and 975 hours.
Answers: 2
Mathematics, 20.06.2019 18:04
Yao xin puts 3/10 liters of potting soil in each pot for planting flowers. she has 5 2\3 liters of potting soil. how many pots can yao xin fill?
Answers: 3
Mathematics, 21.06.2019 16:20
Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?
Answers: 1
Mathematics, 21.06.2019 19:30
How are sas and sss used to show that two triangles are congruent?
Answers: 1
Mathematics, 21.06.2019 23:00
Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.
Answers: 1
Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hour...
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