SOLUTION: In our Condor Cafe, the Oxnard College Culinary Program offers the most delicious and affordable breakfast and lunch choices among the 152 Community Colleges in California. This we

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Question 1197465: In our Condor Cafe, the Oxnard College Culinary Program offers the most delicious and affordable breakfast and lunch choices among the 152 Community Colleges in California. This week, a random sample of 357 orders was recorded, and 77 orders were for the $5-meals. To find the 99.5% confidence interval for the true proportion of the orders for the $5-meals, you need to use which one of the following calculators?
Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.
Confidence interval =
Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.
Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places.
p =
Answer by ewatrrr(24785) (Show Source):
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Hi n = 357 p = 17/357 = .0476 and q = 1 - .0476 = .9524 99.5% confidence interval ⇒ z = 1.96 2-sided Invnorm(.995 + .5/2 ) = 2.807 ME = = .032 .0476 - .032 < p < .0476 + .032 .016 < p < .080 0r p = .0476 ± .032 always check the Arithmetic Wish You the Best in your Studies.