Past surveys reveal that
30%
of tourists going to Las Wegas to gamble spend more than
$1,000
. The Vistor's Bureau of Las Vegas wants to update this percentage. (Use tDistribution Table table to find a Pstatistic (af " infinity) Required: a. How many tourists should be randomly selected to estimate the population proportion with a
99.9%
conflidence level and a
7%
margin of emor? Note: Round your final answer to the next whole number.
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Servetedies b. The Bureau feels the sample size determined above is too large. What can be done to reduce the sample? Based on your sugpestion, recalculate the sample size. Note: Round your r value to 3 decimal places and final answer to the next whole numbet.
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Sample size