21. Consider the normal distribution that describes the heights of adult American men. The mean is u = 70 inches and the standard deviation is o = 4 inches. a) Find the z-score corresponding to a 77 inch man (that's 6'5"). b) Use the following portion of the chart to answer this: “what percent of men are over 77 inches tall?" 00 .01 .02 .03 .04 .05 .06 .07 .08 .09 .9357 .9474 .9573 .9656 .9345 .9463 .9332 .9452 .9554 .9641 .9370 .9484 .9582 .9664 .9382 .9495 9591 9671 9394 9505 9599 9678 .9429 .9535 .9625 .9699 .9418 .9525 1.5 1.6 1.7 1.8 .9406 .9515 .9608 .9686 .9441 .9545 .9633 .9706 .9564 9649 .9616 .9693
21. Consider the normal distribution that describes the heights of adult American men. The mean is u = 70 inches and the standard deviation is o = 4 inches. a) Find the z-score corresponding to a 77 inch man (that's 6'5"). b) Use the following portion of the chart to answer this: “what percent of men are over 77 inches tall?" 00 .01 .02 .03 .04 .05 .06 .07 .08 .09 .9357 .9474 .9573 .9656 .9345 .9463 .9332 .9452 .9554 .9641 .9370 .9484 .9582 .9664 .9382 .9495 9591 9671 9394 9505 9599 9678 .9429 .9535 .9625 .9699 .9418 .9525 1.5 1.6 1.7 1.8 .9406 .9515 .9608 .9686 .9441 .9545 .9633 .9706 .9564 9649 .9616 .9693
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
please 21a,21b thank you
![21. Consider the normal distribution that describes the heights of adult American men. The mean is
u = 70 inches and the standard deviation is o = 4 inches.
a) Find the z-score corresponding to a 77 inch man (that’s 6’5").
b) Use the following portion of the chart to answer this: “what percent of men are over 77 inches tall?"
.00
.01
.02
.03
.04
.05
.06
.07
.08
.09
1.5
1.6
1.7
1.8
.9332
.9452
.9554
.9641
.9345
.9463
.9564
.9649
.9357
.9474
.9573
9656
.9370
.9484
.9582
.9664
.9382
.9495
.9591
.9671
.9394
9505
.9599
.9678
9429
.9535
.9625
.9699
.9406
.9418
.9525
9441
.9515
.9608
.9686
.9616
.9693
.9545
.9633
.9706](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F09d06a16-26e3-4615-b969-8efdd4bb5042%2F5ff77a21-99ee-4f77-94db-82f99d4cbc63%2F2v06gsd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:21. Consider the normal distribution that describes the heights of adult American men. The mean is
u = 70 inches and the standard deviation is o = 4 inches.
a) Find the z-score corresponding to a 77 inch man (that’s 6’5").
b) Use the following portion of the chart to answer this: “what percent of men are over 77 inches tall?"
.00
.01
.02
.03
.04
.05
.06
.07
.08
.09
1.5
1.6
1.7
1.8
.9332
.9452
.9554
.9641
.9345
.9463
.9564
.9649
.9357
.9474
.9573
9656
.9370
.9484
.9582
.9664
.9382
.9495
.9591
.9671
.9394
9505
.9599
.9678
9429
.9535
.9625
.9699
.9406
.9418
.9525
9441
.9515
.9608
.9686
.9616
.9693
.9545
.9633
.9706
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