Score corresponding to the indicated percentile

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Reference no: EM131890113

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

Reference no: EM131890113

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