If the mean is 100 and the standard deviation is 5
What is the probability of having a value between 72 & 102?
Statistics, Mean Median Mode, Interquartile Range, Dot Plots Circle Graphs
Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
If the mean is 100 and the standard deviation is 5
What is the probability of having a value between 72 & 102?
0.3448
0.6554
0.0854
0.7132
2.
FILL IN THE BLANK QUESTION
1 min • 5 pts
If the mean if 100 and the standard deviation is 5
What is the probability of a value that is AT LEAST 95.
Type your answer to the nearest ten thousandth place
3.
FILL IN THE BLANK QUESTION
1 min • 5 pts
On a standard normal curve, what is the probability of a number being AT LEAST -2.15?
Type your answer to the ten thousandth place.
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
With a mean of 84 and standard deviation of 2, what value would put you in the top 10%?
86.56
92.11
105.65
87.09
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
With a mean of 70 and standard deviation of 7, between what two values does 68% of the data fall between?
52 - 70
49 - 91
63 - 77
56 - 84
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What shape is a normal distribution curve?
Half curve
Round curve
Bell curve
Square curve
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds. What is the z-score for a player who runs a time of 5.6 seconds?
-1.33
1.33
0.88
1.02
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