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Use the following information for questins below. Consumers spend an average of $13.80 on a meal at a restaurant.
Use the following information for questins below.
Consumers spend an average of $13.80 on a meal at a restaurant. Assume that the amount spent on a restaurant meal is normally distributed and the standard deviation is $2.00.
1) What is the probability that a randomly selected person spent between $9.00 - $11.50?
2) What is the probability that a randomly selected person spent more than $10.00?
3) Between what two values will the middle 95% of the amounts spent fall?
4) What is the amount that a randomly selected customer must pay for a meal to be in the top 10% of expenditures for a restaurant meal?
Kindly give the comllete solution with workings
