Assume that he ample in amimple rendom aample obtained from a nomally distributed populetion of 1Q scores of statistice professors. Use the table below to find the minimum sample size needed to be 90% confident that the smp andard devintiona within 20% ofe. la hia ample sie practical? To be 95% confident that le thin the vale of e, the aample elre 10.2os 788 nahould be at lonst To be 90% confident that ale within of the value o o, the sample size nahould be at least 5% 10% 20% 30% 40% 50% 192 48 21 12 1% 5% 10% 20% 30% 40% 50% 33,218 1,336 336 22 14 The minimum sample size needed is 55. Is this sample size practical? OA No, because the sample size is excessively large to be practical for most applications. O B. No, because the sample size should be as small as possible for most applications. OC. Yes, because the sample size should be as large as possible for most applications. O D. Yes, because the sample size is small enough to be practical for most applications.
Assume that he ample in amimple rendom aample obtained from a nomally distributed populetion of 1Q scores of statistice professors. Use the table below to find the minimum sample size needed to be 90% confident that the smp andard devintiona within 20% ofe. la hia ample sie practical? To be 95% confident that le thin the vale of e, the aample elre 10.2os 788 nahould be at lonst To be 90% confident that ale within of the value o o, the sample size nahould be at least 5% 10% 20% 30% 40% 50% 192 48 21 12 1% 5% 10% 20% 30% 40% 50% 33,218 1,336 336 22 14 The minimum sample size needed is 55. Is this sample size practical? OA No, because the sample size is excessively large to be practical for most applications. O B. No, because the sample size should be as small as possible for most applications. OC. Yes, because the sample size should be as large as possible for most applications. O D. Yes, because the sample size is small enough to be practical for most applications.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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![Assume that the nample in a simple rendom aample obtained from a normally distributed populetion of IQ scores of statistics professors. Use the table below to find the minimum sample siza needed to be 99% confident that the samp
atendared devintion a is within 20% of a. la this mample size practical?
To be 05% confident that le
thin
of the vahue of e, the eample atre
should be at lonst
To be DO% confident thata le
within
of the value of 6, the eample alro b3.218 1,336
n should be at loast
1%
10% 20% 30% 40% 50%
5%
10,205 768
102 48 21
12
1%
5%
10% 20% 30% 40% 50%
336
85
38
22
14
The minimum sample size neoded is 55.
Is this sample size practical?
O A No, because the sample size is excessively large to be practical for most applications.
O B. No, because the sample size should be as small as possible for most applications.
OC. Yes, because the sample size should be as large as possible for most applications.
O D. Yos, bocause the sample size is small enough to be practical for most applications.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f1c4233-17e3-4831-af40-395f9348a588%2Fd84730ab-2f2c-467c-ace4-b09a968e51ca%2Ff6urn09_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Assume that the nample in a simple rendom aample obtained from a normally distributed populetion of IQ scores of statistics professors. Use the table below to find the minimum sample siza needed to be 99% confident that the samp
atendared devintion a is within 20% of a. la this mample size practical?
To be 05% confident that le
thin
of the vahue of e, the eample atre
should be at lonst
To be DO% confident thata le
within
of the value of 6, the eample alro b3.218 1,336
n should be at loast
1%
10% 20% 30% 40% 50%
5%
10,205 768
102 48 21
12
1%
5%
10% 20% 30% 40% 50%
336
85
38
22
14
The minimum sample size neoded is 55.
Is this sample size practical?
O A No, because the sample size is excessively large to be practical for most applications.
O B. No, because the sample size should be as small as possible for most applications.
OC. Yes, because the sample size should be as large as possible for most applications.
O D. Yos, bocause the sample size is small enough to be practical for most applications.
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