Mathematics, 04.10.2021 01:00, raedusty3200
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According to a health statistics center, the mean weight of a 20-to-29-year-old female is 156.5 pounds, with a standard
deviation of 51.2 pounds. The mean weight of
a 20-to-29-year-old male is 183.4 pounds, with a standard deviation of 40.0 pounds Who is relatively heavier a 20-to-29-year-old female who weighs 160 pounds or
a 20-to-29-year-old male who weighs 185 pounds?
The Z-score for the female is ?
The Z-score for the male is ?
Thus, the is relatively heavier.
(Round to two decimal places as needed.)
Answers: 3
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Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
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According to a health statistics center, the mean weight of a 20-to-29-year-old female i...
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