Answer:
15.25
Step-by-step explanation:
The probability of getting a question right is 1/4 because there are 4 possible answers, and you're just guessing randomly.
You can expect to get 1/4 of the questions right.

Answer: The range is the set {8, 3, 2, -7} which can be sorted to get {-7, 2, 3, 8}
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Explanation:
The range is simply the set of possible y values. All you have to do is list all the y coordinates and surround the values in curly braces. The curly braces indicate a set. Every point is of the form (x,y). The y coordinate is the second value listed of each ordered pair.
Answer:
2.4975 round it up to $2.50 equals 52.4475 or $52.45 cents
Step-by-step explanation:
Answer:
Normal Distribution
Step-by-step explanation: A normal distribution will generally have a bell shape. It is also called a bell curve, due to its bell shape.
It is also called Gaussian distribution. The point near the peak is where most of the observations cluster, while the values further away from the mean will be distributed equally in both directions on the curve.