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Assume that a lunch meal in SF costs about $11.2 on average, with a standard deviation...

Assume that a lunch meal in SF costs about $11.2 on average, with a standard deviation of $1.35. You went out for lunch on a given day. What is the probability that the lunch will cost you between $10.13 and $12.47?Assume the lunch prices are normally distributed. Round your answer to 4 decimal places.

Math   Statistics-And-Probability   
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Answer #1

This is a normal distribution question with


P(10.13 < x < 12.47)=?

This implies that


PS: you have to refer z score table to find the final probabilities.
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