Discrete and Continuous Probability Distribution
Authored by Barbara White
Mathematics
11th - 12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The weight of written reports produced in a certain department has a Normal distribution with mean 60 g and standard deviation 12 g. The probability that the next report will weigh less than 45 g is
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Is this a probability distribution?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Is this a probability distribution?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The probability of each value of the random variable must be between or equal to ________?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between a discrete random variable and a continuous random variable?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If Gonzalo's score is 87%, the class average is 82%, and the SD is 4, what is Gonzalo's Z-score?
-1.25
+1.25
+1.20
+1.02
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A marketing survey compiled data on the number of cars in households. If X = the number of cars, and we omit the rare cases of more than 5 cars, then X has the following probability distribution:
X 0 1 2 3 4 5
P(X) 0.24 0.37 0.20 0.11 0.05 0.03
What is the probability that a randomly chosen household has at least two cars?
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