Answer:
90% confidence interval for the population mean is
Step-by-step explanation:
Given that, in a random sample of 60 computers, the mean repair cost was $150, with the population standard deviation is $36.
Here,
In case of 90% confidence interval,
We know that, the confidence interval will be,
Putting all the values,
the photo is blocked on my computer
66/1
(b = 23 + a) and (a = 23 + b) = ab = 23 + ba
Answer: 16.75
hope this helps.