65% of all housing units are owner-occupied while the rest are rented.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 2E
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In the 2010 US Census, we learn that 65% of all housing units are owner-occupied while the rest are rented. Use this information to find the following probabilities.
(a) If we take a random sample of 20 housing units, find the probability that exactly 15 of them are owner-occupied.
Round your answer to four decimal places.
P(X = 15) =
the absolute tolerance is +/-0.001
(b) If we take a random sample of 20 housing units, find the probability that 18 or more of them are owner-occupied.
Round your answer to four decimal places.
P(X > 18) =
the absolute tolerance is +/-0.003
Click if you would like to Show Work for this question: Open Show Work
Transcribed Image Text:Sing Units In the 2010 US Census, we learn that 65% of all housing units are owner-occupied while the rest are rented. Use this information to find the following probabilities. (a) If we take a random sample of 20 housing units, find the probability that exactly 15 of them are owner-occupied. Round your answer to four decimal places. P(X = 15) = the absolute tolerance is +/-0.001 (b) If we take a random sample of 20 housing units, find the probability that 18 or more of them are owner-occupied. Round your answer to four decimal places. P(X > 18) = the absolute tolerance is +/-0.003 Click if you would like to Show Work for this question: Open Show Work
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