12x(8x-20)÷4(2x-5) please solve it
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Answer:
95% Confidence interval: (14.4537 ,15.1463)
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 15 feet
Sample mean, = 14.8 feet
Sample size, n = 16
Alpha, α = 0.05
Sample standard deviation, σ = 0.65 feet
Degree of freedom = n - 1 = 15
95% Confidence interval:
Putting the values, we get,
is the required confidence interval for the true mean length of rods.
if we divide 20 by 12, we get a quotient of 1, and a remainder of 8.
Answer:
Step-by-step explanation:
Minimum is a word meaning greater than or equal to.
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