Question
The heights of women are normally distributed with a mean of 65 inches and a standard deviation of 2.5 inches. The tallest 10% of females
The heights of women are normally distributed with a mean of 65 inches and a standard deviation of 2.5 inches.
The tallest 10% of females are taller than what height?
68.2 inches
70 inches
69.45 inches
65.25 inches
Identify the score corresponding to the indicated percentile.
The length of human pregnancies (with no complications) from conception to birth varies according to a normal distribution with mean 260 days and standard deviation 10.
Only ten-percent of pregnancy lengths are less than what value?
options:
259 days
247 days
250 days
261 days
273 days
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