The variable z has a standard normal distribution. What is the probability z will be in...

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The variable z has a standard normal distribution. What is the probability z will be in...

The variable z has a standard normal distribution. What is the probability z will be in the range -1 to + 2 ? (Hint: use function pnorm) (Give your answer corrected to four decimal points as 0.xxxx)

math Statistics-And-Probability

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