The average amount of money that people spend at Don Mcalds fast food place is $7.2400 with a standard deviation of $ XXXXXXXXXXcustomers are randomly selected. Please answer the following questions,...


The average amount of money that people spend at Don Mcalds fast food place is $7.2400 with a standard deviation of $1.8500. 43 customers are randomly selected. Please answer the following questions, and round all answers to 4 decimal places where possible and assume a normal distribution.


What is the distribution of

¯
x
?

¯
x
~ N(
,
)
What is the distribution of


x
?


x
~ N(
,
)
What is the probability that one randomly selected customer will spend more than $7.4369?



Jun 08, 2022
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