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A restaurant serves fresh fish, the weights of which are normally distributed with an average of...

A restaurant serves fresh fish, the weights of which are normally distributed with an average of 6.3oz and a standard deviation of 0.04oz.
Customers complain that the fillets are too small (weigh less than 6.21 oz).

a) Determine the probability that by randomly selecting a customer, a small filet was touched.

b) Determine what is the fillet weight (oz.) below which only 5% of fillets weigh less than that

Math   Statistics-And-Probability   
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