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December 20, 2014

December 20, 2014

Posted by **Dave** on Monday, November 29, 2010 at 1:36pm.

a. 5225

b. .0041

c. .1251

d. None of the above

- Math/Statistics -
**Logan**, Monday, November 29, 2010 at 3:16pmCopy and paste the question into Google and the answer is there. Looks like it will be d, but check it out yourself

- Math/Statistics -
**Logan**, Monday, November 29, 2010 at 3:19pmHere is the math

(35,000<X<40,000)=P((35,000-36,280)/3,300<(X-36,280)/3,300<(40,000-36,280)/3,300)=P(-0.3879<Z<1.1273)

=P(Z<1.1273)-P(Z<-0.3879)=0.8702-0.3491= 0.5211

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