Answer: 6
Step-by-step explanation: 48 divided by 8 equals 6.
If you ever have a hard time dividing, just multiply 8 six times to get your answer
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Answer:
x=7
Step-by-step explanation:
6-6x=5x-9x-8
Combine like terms
6-6x=-4x-8
Add 6x to each side
6-6x+6xx = -4x-8+6x
6 = 2x-8
Add 8 to each side
6+8 = 2x-8+8
14 = 2x
Divide each side by 2
14/2 =2x/2
7 = x
Answer:
A & E
Step-by-step explanation:
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Answer: Choice B
The 95% confidence interval for the population mean mu is (18.96, 19.64)
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Work Shown:
xbar = 19.3
s = 1.2
n = 48
z = 1.960 (use a calculator or table to compute this critical value)
Lower Limit L
L = xbar - z*(s/sqrt(n))
L = 19.3 - 1.960*(1.2/sqrt(48))
L = 18.9605180417166
L = 18.96
Upper Limit U
U = xbar + z*(s/sqrt(n))
U = 19.3 + 1.960*(1.2/sqrt(48))
U = 19.6394819582836
U = 19.64
The confidence interval is therefore (L,U) = (18.96, 19.64)