The lengths of Atlantic croaker fish are normally distributed, with a mean of 10.4 inches and a standard deviation of 2.3 inches. Let x be a random variable that represents the length of an Atlantic croaker fish. Suppose an Atlantic croaker fish is randomly selected. Find the probability that length of the fish is between 11 inches and 12 inches. A.0.603 B.0.138 C.0.397 D.0.153

We have given that X~N( μ , ?^2 ) μ = 10.4 , ? = 2 3 Z-score =( x - μ )/? ,

Answered: The lengths of Atlantic croaker fish…

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 Atlantic croaker fish are normally distributed, with a mean of 10.4 inches and a standard deviation of 2.3 inches. Let x be a random variable that represents the length of an Atlantic croaker fish. Suppose an Atlantic croaker fish is randomly selected. Find the probability that length of the fish is between 11 inches and 12 inches.

A.

0.603

B.

0.138

C.

0.397

D.

0.153

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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