What is the probability of getting a score greater than 78

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In given Exercise, how high must someone score to be in the top 5%? That is, determine c such that P(X>c) = .05.

Exercise
Assuming that the scores on a math achievement test are normally distributed with mean µ = 68 and standard deviation σ = 10, what is the probability of getting a score greater than 78?

Reference no: EM131390035

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