6 If a variable X is normally distributed with a mean of 60 and a std dev of 15 , what is a. P(X>60) b. P(x>75) c. P(X>8
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6 If a variable X is normally distributed with a mean of 60 and a std dev of 15 , what is a. P(X>60) b. P(x>75) c. P(X>8
6 If a variable X is normally distributed with a mean of 60 and a std dev of 15 , what is a. P(X>60) b. P(x>75) c. P(X>80) d. P(X<50) e. P(45<X<75) f. P(X<45)
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