Mathematics, 05.07.2019 14:30 jayjinks976
26% of college students live in campus housing. a random sample of 15 college students is selected. find the probability that 10 or more students will live in campus housing
Answers: 1
, then the probability of 
successes out of 
trials will be: 
![[^1^5C_{10}(0.26)^1^0(1-0.26)^5]+[^1^5C_{11}(0.26)^1^1(1-0.26)^4]+[^1^5C_{12}(0.26)^1^2(1-0.26)^3]+[^1^5C_{13}(0.26)^1^3(1-0.26)^2]+[^1^5C_{14}(0.26)^1^4(1-0.26)^1]+[^1^5C_{15}(0.26)^1^5(1-0.26)^0]\\ \\ = 0.00094...+0.00015...+0.00001...+ 0.0000014...+ 0.000000071...+0.0000000016...\\ \\ =0.00111002... =0.111002...\% \approx 0.111\%](/tpl/images/0054/3967/1e11d.png)
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26% of college students live in campus housing. a random sample of 15 college students is selected....
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