Mathematics, 23.07.2019 04:30 kadenbaker4347
The lifetimes of light bulbs of a particular type are normally distributed with a mean of 210 hours 14) and a standard deviation of 5 hours. what percentage of the bulbs have lifetimes that lie within 1 standard deviation to either side of the mean
Answers: 1
Mathematics, 21.06.2019 19:10, madimocaj
Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?
Answers: 2
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