1. Let X - N(5,22). Find the approximate value (using 68-95-99.7 Rule) and the exact value (using the standard normal ta
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1. Let X - N(5,22). Find the approximate value (using 68-95-99.7 Rule) and the exact value (using the standard normal ta
1. Let X - N(5,22). Find the approximate value (using 68-95-99.7 Rule) and the exact value (using the standard normal tables) of (a) P(XS 7). (b) P(X S3). (c) P(3 < X <9).
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