X³ - 12x² + 35x
x(x² - 12x + 35)
x(x-5)(x-7)
Answer: 0.0001408
Step-by-step explanation:
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,
