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Find the area under the normal curvea. To the right of z =

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 1E Chapter 4.5

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 1E

Find the area under the normal curve

a. To the right of z = -0.85.

b. Between z = 0.40 and 2 = 1.30.

c. Between z = ‒0.30 and z = 0.90.

d. Outside z = ‒1.50 to z = ‒0.45.

Step-by-Step Solution:

Step 1 of 4:

 

Our goal is :

a). We need to find to the right of z=-0.85.

b). We need to find between z=0.40 and z=1.30.

c). We need to find between z=-0.30 and z=0.90.

d). We need to find outside z=-1.50 to z=-0.45.

Now we have to find the area under normal curve.

a).

Given the area under standard normal curve to the right of z=-0.85.

Area = 1-0.85

Using area under the normal curve table value.

Area = 1-0.1977

Area = 0.8023 OR

P(z>0.85)= 1-P(z<0.85)

Using area under the normal curve table value.

P(z>0.85)= 1-0.1977

P(z>0.85)= 0.8023

Therefore the area under standard normal curve to the right of z=-0.85 is 0.8023.

Step 2 of 4:

b).

Given the area under standard normal curve between z=0.40 and z=1.30.

P(0.40<z<1.30)= P(z<1.30)-P(z<0.40)

Using area under the normal curve table value.

P(0.40<z<1.30)= 0.9032-0.6554

P(0.40<z<1.30)= 0.2478

Therefore the area under standard normal curve between z=0.40 and z=1.30 is 0.2478.

Step 3 of 4

Chapter 4.5, Problem 1E is Solved
Step 4 of 4

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. This full solution covers the following key subjects: area, curve, Find, normal, outside. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. Since the solution to 1E from 4.5 chapter was answered, more than 389 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 1E from chapter: 4.5 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. The answer to “Find the area under the normal curvea. To the right of z = -0.85.________________b. Between z = 0.40 and 2 = 1.30.________________c. Between z = ?0.30 and z = 0.90.________________d. Outside z = ?1.50 to z = ?0.45.” is broken down into a number of easy to follow steps, and 38 words.

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