The Speed at Which an Automated Assembly Line Produces a Product

question 36

Multiple Choice

The speed at which an automated assembly line produces a product follows a normal distribution, with a mean production time of 32.20 sec and a standard deviation of 1.05 sec.A full production run from this line consists of 20 completed products.What is the probability that a full production run will take less than 32 sec, on average, to finish?

• A) 0.4247
• B) 0.1977
• C) 0.1900
• D) 0.5753

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