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 20:00
Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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Mathematics, 21.06.2019 20:50
Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c
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Mathematics, 21.06.2019 23:00
Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza
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The lifetimes of light bulbs of a particular type are normally distributed with a mean of 210 hours...
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