Jarell is grocery shopping for his BBQ cookout this weekend. He is grilling 13lb. burgers and expects about 20 people. How many
1 answer:
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Answer: (1500.66,1599.34)
Step-by-step explanation:
Confidence interval for population mean:
,where = Sample mean , n= Sample size, z* = critical two tailed z-value ,
= population standard deviation.
As per given , we have
n= 16
square feet
square feet
Critical z-value =
Confidence interval for population mean:
Required confidence interval: (1500.66,1599.34)