A manufacturer knows that their items have a normally distributed length, with a mean of 7.1inches, and standard deviation of 2.2 inches.If one item is chosen at random, what is the probability that it is less than 4 inches long?

Mean(µ) = 7.1Standard deviations (σ) = 2.2X ~ N (µ, σ )= N (7.1, 2.2)

Answered: A manufacturer knows that their items…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

A manufacturer knows that their items have a normally distributed length, with a mean of 11.9 inches, and standard deviation of 1.3 inches.If one item is chosen at random, what is the probability that it is less than 8.9 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 14.8 inches, and standard deviation of 3.3 inches. If one item is chosen at random, what is the probability that it is less than 19.9 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 15 inches, and standard deviation of 1 inches.If one item is chosen at random, what is the probability that it is less than 14.3 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 7.3 inches, and standard deviation of 0.9 inches. If one item is chosen at random, what is the probability that it is less than 8.1 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 19.2 inches, and standard deviation of 3 inches.If one item is chosen at random, what is the probability that it is less than 22.1 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 5.5 inches, and standard deviation of 1.6 inches.If 7 items are chosen at random, what is the probability that their mean length is less than 7.2 inches?
A manufacturer knows that their items have a normally distributed length, with a mean of 6.5 inches, and standard deviation of 0.8 inches.If one item is chosen at random, what is the probability that it is less than 6.9 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 5.8 inches, and standard deviation of 1.3 inches.If one item is chosen at random, what is the probability that it is less than 3.8 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 5.2 inches, and standard deviation of 1 inches.If 8 items are chosen at random, what is the probability that their mean length is less than 5.6 inches?
A manufacturer knows that their items have a normally distributed length, with a mean of 10.5 inches, and standard deviation of 1.3 inches.If one item is chosen at random, what is the probability that it is less than 10.6 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 10.2 inches, and standard deviation of 1.1 inches.If one item is chosen at random, what is the probability that it is less than 10.8 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 10.1 inches, and standard deviation of 1.5 inches.If 11 items are chosen at random, what is the probability that their mean length is less than 9.5 inches?

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

A manufacturer knows that their items have a normally distributed length, with a mean of 7.1 inches, and standard deviation of 2.2 inches. If one item is chosen at random, what is the probability that it is less than 4 inches long?