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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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lingo lingo
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6 years ago
Historically, a company that mails its monthly catalog to potential customers receives orders from 8 percent of the addresses. If 500 addresses are selected randomly from the last mailing, what is the probability that between 35 and 50 orders were received from this sample?
 a. 0.0496
  b. 0.2049
  c. 0.7444
  d. 0.7951
  e. 0.9504
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GavaaconGavaacon
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#1
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6 years ago
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#2
A year ago
Can one of you please show me how you took the formula and applied it?
I don't know how to set it up.
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#3
Educator
A year ago
Have you tried:

P(x=35) + P(x=36) + ... + P(x=50)

500C35 x 0.0835 x (1-0.08)500-35 + 500C36 x 0.0836 x (1-0.08)500-36 + ...
+ 500C50 x 0.0850 x (1-0.08)500-50
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