. a) The weight of white lab mice has a normal distribution. What is the mean and variance of white lab mice weight if it is known that 99.2% of the mice have a weight that is less than 171.15 rams and 12.1% have a weight that is above 152.55 grams? ) The weight of black lab mice has a normal distribution with mean of 140 grams and standard of 16 aroma What is the probability that domly com lod block migo there

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