A/ Suppose the temperature T during July is normally distributed with mean 54° and standard deviation 6°. Find the probability p that the temperature is between 58° and 60 °.

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Q1: A/ Suppose the temperature T during July is normally distributed with mean 54° and standard
deviation 6°. Find the probability p that the temperature is between 58° and 60 °.
B/ Two manufacturing plants produce similar parts. Plant 1 produces 2,000 parts, 600 of which
are defective. Plant 2 produces 3,000 parts, 200 of which are defective. A part is selected at random
and found to be defective. What is the probability that it came from plant 2
Transcribed Image Text:Q1: A/ Suppose the temperature T during July is normally distributed with mean 54° and standard deviation 6°. Find the probability p that the temperature is between 58° and 60 °. B/ Two manufacturing plants produce similar parts. Plant 1 produces 2,000 parts, 600 of which are defective. Plant 2 produces 3,000 parts, 200 of which are defective. A part is selected at random and found to be defective. What is the probability that it came from plant 2
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