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Author Question: On a multiple choice test with 10 questions, each question has four possible answers, one of which ... (Read 82 times)

notis

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on: Apr 14, 2020

Question 1

In a certain town, 80 percent of voters are in favor of a given ballot measure and 20 percent are opposed. For groups of 140 voters, find the expected number of voters who oppose the measure.
◦ 80
◦ 20
◦ 112
◦ 28

Question 2

On a multiple choice test with 10 questions, each question has four possible answers, one of which is correct. For students who guess at all answers, find the standard deviation for the number of correct answers.
◦ 18.8
◦ 3.5
◦ 1.4
◦ 1.9
Introductory Statistics: Exploring the World Through Data ¦ Gould, Ryan ¦ 2nd Edition
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Marked as best answer by notis on Apr 14, 2020

fur

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Reply #1 on: Apr 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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notis

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Reply 2 on: Apr 14, 2020
Excellent

recede

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Reply 3 on: Yesterday
Wow, this really help

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