Exploring Adding and Subtracting Rational Expressions
Interactive Video
•
Sophia Harris
•
Mathematics
•
6th - 10th Grade
•
Hard
12:25
10 questions
Show answers
1.
Multiple Choice
Which of the following is NOT a type of data distribution?
Normal distribution
Negatively skewed
Random distribution
Positively skewed
2.
Multiple Choice
What shape does a normal distribution curve have?
Bell-shaped
U-shaped
Flat
V-shaped
3.
Multiple Choice
In a normal distribution, what percentage of data falls within one standard deviation of the mean?
50%
99.8%
95.4%
68.2%
4.
Multiple Choice
If the mean weight of football players is 178 pounds with a standard deviation of 8 pounds, what is the weight at two standard deviations above the mean?
186 pounds
170 pounds
194 pounds
202 pounds
5.
Multiple Choice
What is the probability that a football player weighs at most 170 pounds?
68.2%
15.9%
31.4%
47.7%
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