Question: help please a. When a batch of a certain chemical product is prepared, the amount of a particular impurity in the batch is a random

help please a. When a batch of a certain chemical product

help please

a. When a batch of a certain chemical product is prepared, the amount of a particular impurity in the batch is a random variable with mean value 4.0 g and standard deviation 1.5 g. If 50 batches are independently prepared. desotibe the probability distribution of the average amount of impurity. What is the probability that the average amount of impurity is between 3.5 and 3.8 g? [2+3=5 marks]

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