Answer:
is A
Step-by-step explanation:
Negative 2.5, 1 and three-fourths, 50 percent, 1.5
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The most appropriate choice for square root will be given by-
lies between 3 and 4
What is square root of a number?
Number raised to the power
is the square root of the number.
Here

3.464 lies between 3 and 4
lies between 3 and 4
To learn more about square root of a number, refer to the link:
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Answer:
Step-by-step explanation:

Subtract 8u from both sides

Divide by -3 on both sides

Interval notation: [greater/less than or equal to], (greater or equal to)
[7,∞)
Answer:
a. 19.68 miles per gallon.
b. 26.32 miles per gallon.
Step-by-step explanation:
Mean gas mileage (μ) = 23.0 mpg
Standard deviation (σ) = 4.9 mpg
In a normal distribution, for any length X, the z-score is determined by the following expression:

In a normal distribution, the 25th percentile (first quartile) of a normal distribution has a corresponding z-score of z = -0.677 and the 75th percentile has a corresponding z-score of z = 0.677
a. The first quartile of the distribution of gas mileage is

19.68 miles per gallon.
b. The third quartile of the distribution of gas mileage is

26.32 miles per gallon.