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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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tdd09070 tdd09070
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6 years ago
Find the z-score associated with the 80th percentile of the standard normal distribution. What does this value tell you?

Q. 2

Explain why P(B occurring when A has already occurred) = 0 when events A and B are mutually exclusive.

Q. 3

Briefly discuss the properties of the standard normal distribution.

Q. 4

Explain why events A and B cannot be mutually exclusive if they are defined on a common sample space with P(A) = 0.56 and P(B) = 0.61.

Q. 5

The chance of receiving an A grade in this statistics class is 0.25. Does this statement illustrate percentage, proportion or probability?

Q. 6

Which of the following statements is true?
 a. If two events are not mutually exclusive, then they may be either dependent or independent.
  b. If two events are not independent, then they may be either mutually exclusive or not mutually exclusive.
  c. Both (A) and (B) are true.
  d. Both (A) and (B) are false.

Q. 7

A recent survey reported that 56 of registered voters in Michigan are Democrats.. Does this statement illustrate percentage, proportion or probability?
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Fleur-de-lisFleur-de-lis
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tdd09070 Author
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6 years ago
Just got PERFECT on my quiz
africa143
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Yesterday
Brilliant ツ
aznzergs
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2 hours ago
This site is awesome
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