A carpenter made a storage container in the shape of a rectangular prism. it is 5 feet high and has a volume of 720 cubic feet.
1 answer:
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Answer:
a) 217
b) 1351
c) 5403
Step-by-step explanation:
Given that:
confidence interval (c) = 0.95
The Z score of is from the z table is given as:
Range = $45000 - $30000 = $15000
The standard deviation (σ) is given as:
Sample size (n) is given as:
a) E = $500
≈ 217
b) ≈ 1351
c) ≈ 5403