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Author Question: What type of car is more popular among college students, American or foreign? One hundred fifty-nine ... (Read 198 times)

KimWrice

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on: Feb 14, 2020

Question 1

What type of car is more popular among college students, American or foreign? One hundred fifty-nine college students were randomly sampled and each was asked which type of car he or she prefers. A computer package was used to generate the printout below for the proportion of college students who prefer American automobiles.

SAMPLE PROPORTION = .394141
SAMPLE SIZE = 159

UPPER LIMIT = .464240
LOWER LIMIT = .331153

What proportion of the sampled students prefer foreign automobiles?
◦ .605859
◦ .464240
◦ .331153
◦ .394141

Question 2

What type of car is more popular among college students, American or foreign? One hundred fifty-nine college students were randomly sampled and each was asked which type of car he or she prefers. A computer package was used to generate the printout below of a 95% confidence interval for the proportion of college students who prefer American automobiles.

SAMPLE PROPORTION = .396
SAMPLE SIZE =  159

UPPER LIMIT = .472
LOWER LIMIT = .320

Which of the following is a correct practical interpretation of the interval?
◦ We are 95% confident that the proportion of all college students who prefer foreign cars falls between and .
◦ We are 95% confident that the proportion of the 159 sampled students who prefer American cars falls between and .
◦ We are 95% confident that the proportion of all college students who prefer American cars falls between and .
◦ 95% of all college students prefer American cars between and of the time.
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by KimWrice on Feb 14, 2020

brittiany.barnes

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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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KimWrice

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

bbburns21

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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