Answer:
a) (59180,60820)
b) (59020,60980)
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = $60,000
Standard Deviation, σ = $5,000
Sample size, n = 100
a) 90% critical values
Putting the values, we get,
b) 95% critical values
Putting the values, we get,
Answer:
<h2>28cm</h2>Step-by-step explanation:
≈
rounding 28.00563 to 28.
So hence, your answer is 28cm
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