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The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 16 days. A distribution of values is normal with a mean of 263 and a standard deviation of 16. What percentage of pregnancies last fewer than 306 days? P(X< 306 days) - Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 16 days. A distribution of values is normal with a mean of 263 and a standard deviation of 16. What percentage of pregnancies last fewer than 306 days? P(X< 306 days) - Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 16 days. A distribution of values is normal with a mean of 263 and a standard deviation of 16. What percentage of pregnancies last fewer than 306 days? \( P(X < 306 \text{ days}) = \text{ } \_\_\_\_\_ \text{ } \% \) Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Transcribed Image Text:The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days and a standard deviation of 16 days. A distribution of values is normal with a mean of 263 and a standard deviation of 16. What percentage of pregnancies last fewer than 306 days? \( P(X < 306 \text{ days}) = \text{ } \_\_\_\_\_ \text{ } \% \) Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
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