What percentage of scores lie between range
Assume that a set of test scores is normally distributed with a mean of 78 and a standard diviation of 10. What percentage of scores lie between 78 and 97?
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Given: P(A)=0.25, P(B)=0.50, P(AB)=0.12, P(ABc) = 0.13, P(AcB)=0.38, P(AcBc)=0.37. Express the following events in set notation and find their probablities.
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