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Author Question: Suppose that in one town 12% of women and 8% of men are vegetarians. Let 1 denote the proportion of ... (Read 105 times)

cagreen833

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on: Apr 7, 2020
Suppose that in one town 12% of women and 8% of men are vegetarians. Let 1 denote the proportion of vegetarians among a sample of  200 women selected randomly from the town.  Let 2 denote the proportion of vegetarians among a sample of 100 men selected randomly from the town.  What is the distribution of  1 - 2  and what are its mean and standard deviation? Assume that the two samples are independent.
◦ 1 - 2 is approximately normally distributed with a mean of 0.04 and a standard deviation of 0.0356.
◦ 1 - 2 is exactly normally distributed with a mean of 0.4 and a standard deviation of 0.0356.
◦ 1 - 2 is exactly normally distributed with a mean of 0.4 and a standard deviation of 0.00127.
◦ 1 - 2 is approximately normally distributed with a mean of 0.04 and a standard deviation of 0.00127.
Introductory Statistics ¦ Weiss ¦ 10th Edition
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Marked as best answer by cagreen833 on Apr 7, 2020

janeli1

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Reply #1 on: Apr 7, 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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cagreen833

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Reply 2 on: Apr 7, 2020
Gracias!

meow1234

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Reply 3 on: Yesterday
Excellent

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