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can I get some help? it be a bonus if u can give me instructions for using a Casio model graphing computer. 1) Let X

can I get some help? it be a bonus if u can give me instructions for using a Casio model graphing computer.

1) Let X be a random variable with a normal distribution with a mean of 7 and a standard deviation of 2. Calculate the following probabilities a) P(5 4.2 ) =

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