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You want to build an interval estimate for the proportion of adult Hoosiers who favor legalizing Sunday...

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Basic Math

You want tobuild an interval estimate for the proportion of adult Hoosiers whofavor legalizing Sunday sales of alcoholic beverages in Indiana.You survey a random sample of 820 adult Hoosiers, of whom 574 favorSunday liquor sales.
29What isthe margin of error for an interval with a 90% level ofconfidence?
a0.038
b0.032
c0.026
d0.015
30Theupper end of the interval estimate with a 5% error probabilityis,
a0.731
b0.726
c0.720
d0.714
31If you wantedto build a 95% interval estimate with a margin of error of ±2percentage points, how many persons would you have to include inyour sample? Use 0.6 for the planning value.
a2456
b2305
c2155
d2006

Answer & Explanation Solved by verified expert
4.4 Ratings (914 Votes)
29n 820 Sample sizex 574 no of successes in the sampleLet denotes the    See Answer
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