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Question
The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6.a. Define the random variable in words.
b. What is the probability that a randomly selected bill will be at least $39.10?
c. What percentage of the bills will be less than $16.90?
d. What are the minimum and maximum of the middle 95% of the bills?
e. If twelve of one day's bills had a value of at least $43.06, how many bills did the restaurant collect on that day?
Answer
This answer is hidden. It contains 73 characters.
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