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Author Question: It is desired to estimate the proportion of college students who feel a sudden relief now that their ... (Read 205 times)

PhilipSeeMore

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on: Feb 14, 2020

Question 1

It is desired to estimate the average time it takes Statistics students to finish a computer project to within two hours at 90% reliability. It is estimated that the standard deviation of the times is 14 hours.  How large a sample should be taken to get the desired interval?
◦ n = 133
◦ n = 325
◦ n = 189
◦ n = 231

Question 2

It is desired to estimate the proportion of college students who feel a sudden relief now that their statistics class is over. How many students must be sampled in order to estimate the true proportion to within 2% at the 90% confidence level?
◦ n = 133
◦ n = 2401
◦ Cannot determine because no estimate of p or q exists in this problem
◦ n = 189
◦ n = 1692
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by PhilipSeeMore on Feb 14, 2020

jlaineee

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Reply #1 on: Feb 14, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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PhilipSeeMore

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Reply 2 on: Feb 14, 2020
Wow, this really help

lkanara2

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Reply 3 on: Yesterday
Gracias!

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