mia2329
04.02.2021 •
Mathematics
Suppose the height (in inches) of adult males in the U.S.A are normally distributed with a mean of 72 inches and a standard deviation of 2 inches.
Find the percent of men who are less than 68 inches tall.
Find the percent of men who are between 70 and 72 inches tall.
Find the percent of men who are at least 76 inches tall.
Find the probability that a randomly selected man is more than 72 inches tall.
Find the probability that a randomly selected man is between 68 and 76 inches tall.
Find the probability that a randomly selected man is less than 76 inches tall.
Between what 2 heights 68% of data fall?
How many standard deviations below the mean is the height of 70 inches?
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Ответ:
Final
7/2
Step-by-step explanation:
5/2 ÷ 5/7
5/2 ÷ 7/55/2 × 7/5 = 35/1035/10 ⇒ 7/2