Homework_7_Answer_Key

Homework_7_Answer_Key - AEM aloe Spring dOOq H omeuork 7...

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AEM aloe Spring dOOq Homeuork 7 Answer key Il&md -ion 50 fhe Rinmial - npS 1800)10.91) = 318 2-5 Minimum conditions . ~ ( l - ~ ) = [800)(0.59) = 472 5 s= Jxi = -$80010.41)10.59) = = 13-91 people
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Minimum ~ndi+ions : np = 1863) (0.019) = 16.9 2 5 nLl-p) = (863)(0.qBl) = 8Y6.6 2 5 = '1.01 people C3I Lipitor users do no+ appear tio be more to experience flu Symploms. Given: M= 168,000 8= 40,000 n = LIO P(\T- rbs, ooor 10,000~
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b) Given: u=117,000 e=a5;000 n = 4 O p(lH- 117,0001 10,000) . z*= 137.000- ll7,000 = 2.534 look up + 0.49Y3 125. O0O/fi0 ) C31.c) d e have a higher probabi li-Cy o t obhininq a sample edrmate wihin 810,000 of t h e population mean in part(b1. This is because the populatim s-fandard devia-tian for Semale salaries is .smaller 4han the population s+andard deviaf im $or male salaries. . l Because %he populafim standard deviation +or Semale salaries is smaller, +he standard of erc.oc is Smaller given +1.le same : Sample size). d ) Given: p=1&8,000 s=40J000 0 ~ 1 0 0 + prjrd 164, 000)
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[a. zY = 16% 000 - Ih8.000 - -I look up + 0.3L113 ,qOfOoO"/ 1
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C31 C) h e result 4rom (a) i s more relevant because i+ indicates that a doorway height of 73.6 inches is adetua+e Sor 95% of individual men.
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