Answered: the population mean is 28 with standard…

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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Question

If the population mean is 28 with standard deviation of 2, what is the interval that falls within 68% of the data?

The average salary of entry level nurse is P35 000 with standard deviation of P5 000. Find the probability that the salary of a selected nurse is between P32 000 and P37 500?

Which is NOT true for a normal distribution?

The length of human pregnancies from conception to birth approximates a normal distribution with a mean of 266 days and standard deviation of 16 days. what is the probability that the pregnancy will last between 255 to 270 days?

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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