The length of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days.12The fraction of babies born premature is ________.a0.0808 b0.0673 c0.0561 d0.0467

A baby will be considered premature if he borns at least 3 weeks ago. Means 21 days ago

Answered: length of pregnancies are normally…

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 length of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days.

12	The fraction of babies born premature is ________.
a	0.0808
b	0.0673
c	0.0561
d	0.0467

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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