Question: If a random variable has the standard normal distribution, find the probability that it will take on a value (a) between 0 and 2.3 ;

If a random variable has the standard normal distribution, find the probability that it will take on a value

(a) between 0 and 2.3 ;

(b) between 1.22 and 2.43 ;

(c) between -1.45 and -0.45 ;

(d) between -1.70 and 1.35 .

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