Question 3 Not yet answered Marked out of 1.0 P Flag question In a large class,

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Question 3 Not yet answered Marked out of 1.0 P Flag question In a large class, the professor has each person toss a coin several times and calculate the proportion of his or her tosses that were heads. The students then report their results, and the professor plots a histogram of these several proportions. If the students toss the coin 100 times each, about 68% of all these samples should have sample proportions between what two numbers? Use the 68-95-99.7 Rule to provide the appropriate response Select one: a. 0.45 and 0.55 b. 0.16 and 0.84 c. 0.495 and 0.505 O d, 0.34 and 0.67 e. 0.05 and 0.1 Question 4 Not yet answered in favour of tax cuts against Marked out of 1.0T P Flag question Let p be the proportion of voters in favour of tax cuts. A researcher wishes to test the hypothesis that 70% of voters are the alternative that more than 70% of voters are in favour of tadcuts. The correct hypotheses for this would be Select one a. Hop-0.70, HA:p > 0.70 b. Ho:p = 0.70, HA:p 0.70, HA p 0.70

Explanation / Answer

Que3] Appropriate response is ,

option d] 0.34 and 0.67

Que 4]

alternative hypothesis that more than 70% of voters are in favour of taxicuts.

Test the hypothesis are,

Option a]

H0: p= 0.70 vs H1: p> 0.70

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