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Let X be the height of adults bon Toronto. Height of adults in Toronto is normally distributed with mean 170 cms and standard deviation 10

Let X be the height of adults bon Toronto. Height of adults in Toronto is normally distributed with mean 170 cms and standard deviation 10 cms. 1. What is the probability that height of adults in Toronto is more than 165 cms? 2. For a sample of 100 adults from Toronto, what is the probability that average height of these adults is less than 169 cms

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