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The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 66, find the probability of a sample mean being less than 19.5 if µ = 20 and o = 1.22. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table.

The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 66, find the probability of a sample mean being less than 19.5 if µ = 20 and o = 1.22. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table.

MATLAB: An Introduction with Applications
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 population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 66, find the probability of a sample mean being less than 19.5 if µ = 20 and o = 1.22. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table.
Transcribed Image Text:The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of n = 66, find the probability of a sample mean being less than 19.5 if µ = 20 and o = 1.22. Click the icon to view page 1 of the standard normal table. Click the icon to view page 2 of the standard normal table.
z .00 .01 .02 .03 .04 .05 .06 .07 0.0 .5000 .5040 5080 .5120 5160 5199 .5239 5279 0.1 .5517 .5557 .5596 .5636 .5675 0.2 .5398 .5438 5478 .5793 5832 .5871 .5910 .5948 5987 .6026 .6064 .6179 .6217 0.3 .6255 .6368 .6406 .6443 0.4 .6736 .6772 .6808 0.5 .6293 .6331 .6554 .6591 .6628 .6664 .6700 .6915 .6950 .6985 .7019 .7054 .7088 .7257 .7291 .7324 .7357 .7389 .7422 .7642 .7673 .7704 .7734 .7764 7123 .7157 0.6 7454 .7486 0.7 .7580 .7611 .7794 0.8 .7881 .7910 .7939 7967 .7995 .8023 .8051 .8078 0.9 .8159 .8186 .8212 8238 .8264 .8289 .8315 .8340 1.0 8413 .8438 .8461 8485 8508 .8531 8554 .8577 1.1 .8643 .8665 .8686 .8708 .8729 .8749 .8770 .8790 1.2 .8849 8869 .8888 .8907 .8925 .8944 .8962 .8980 1.3 .9032 .9049 .9066 .9082 .9099 9115 .9131 .9147 1.4 .9236 .9251 .9265 .9279 .9292 1.5 .9192 .9207 .9222 .9345 .9357 .9370 .9463 .9474 .9484 .9332 .9382 .9394 .9406 .9418 1.6 .9452 .9495 .9505 .9515 .9525 1.7 .9554 .9564 9573 .9582 .9591 .9599 .9608 .9616 1.8 .9641 .9649 .9656 .9664 .9671 9678 .9686 .9693 1.9 .9713 .9719 9726 .9732 .9738 .9744 .9750 .9756 2.0 .9772 .9778 .9783 .9788 .9793 .9798 .9803 .9808 2.1 .9821 .9826 .9830 .9834 .9838 .9842 .9846 9850
Transcribed Image Text:z .00 .01 .02 .03 .04 .05 .06 .07 0.0 .5000 .5040 5080 .5120 5160 5199 .5239 5279 0.1 .5517 .5557 .5596 .5636 .5675 0.2 .5398 .5438 5478 .5793 5832 .5871 .5910 .5948 5987 .6026 .6064 .6179 .6217 0.3 .6255 .6368 .6406 .6443 0.4 .6736 .6772 .6808 0.5 .6293 .6331 .6554 .6591 .6628 .6664 .6700 .6915 .6950 .6985 .7019 .7054 .7088 .7257 .7291 .7324 .7357 .7389 .7422 .7642 .7673 .7704 .7734 .7764 7123 .7157 0.6 7454 .7486 0.7 .7580 .7611 .7794 0.8 .7881 .7910 .7939 7967 .7995 .8023 .8051 .8078 0.9 .8159 .8186 .8212 8238 .8264 .8289 .8315 .8340 1.0 8413 .8438 .8461 8485 8508 .8531 8554 .8577 1.1 .8643 .8665 .8686 .8708 .8729 .8749 .8770 .8790 1.2 .8849 8869 .8888 .8907 .8925 .8944 .8962 .8980 1.3 .9032 .9049 .9066 .9082 .9099 9115 .9131 .9147 1.4 .9236 .9251 .9265 .9279 .9292 1.5 .9192 .9207 .9222 .9345 .9357 .9370 .9463 .9474 .9484 .9332 .9382 .9394 .9406 .9418 1.6 .9452 .9495 .9505 .9515 .9525 1.7 .9554 .9564 9573 .9582 .9591 .9599 .9608 .9616 1.8 .9641 .9649 .9656 .9664 .9671 9678 .9686 .9693 1.9 .9713 .9719 9726 .9732 .9738 .9744 .9750 .9756 2.0 .9772 .9778 .9783 .9788 .9793 .9798 .9803 .9808 2.1 .9821 .9826 .9830 .9834 .9838 .9842 .9846 9850
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