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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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bribery bribery
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6 years ago
The average waiting time at the checkout counter for a large grocery chain is 2.45 minutes with a standard deviation of 24 seconds (0.40 minutes). Assume that the distribution of waiting time is normal. What is the probability that a customer must wait more than 3 minutes for check out?
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KojicoKojico
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6 years ago
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bribery Author
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6 years ago
Smart ... Thanks!
Marcie D
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Yesterday
You make an excellent tutor!
momochiime
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2 hours ago
Helped a lot
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