Answered: n article suggested that yield strength…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section9.3: Binomial Probability

Problem 33E: Sick leave probability that a given worker at Dyno Nutrition Will call in sick on a Monday is 004....

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n article suggested that yield strength (ksi) for A36 grade steel is normally distributed with ? = 44 and ? = 5.0.

(a) What is the probability that yield strength is at most 39? Greater than 62? (Round your answers to four decimal places.)

at most 39
greater than 62

(b) What yield strength value separates the strongest 75% from the others? (Round your answer to three decimal places.)
ksi

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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