The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6.
a.What is the probability that a randomly selected bill will be at least $39.10?b.What percentage of the bills will be less than $16.90?c.What are the minimum and maximum of the middle 95% of the bills?d.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?
What will be an ideal response?
?
| a. | 0.0322 |
| b. | 0.0322 |
| c. | Minimum = $16.24 Maximum = $39.06 |
| d. | 2,000 |
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What will be an ideal response?
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