Discrete Probability Distributions
Authored by Kyle Lowman
Mathematics
11th - 12th Grade
CCSS covered
Used 20+ times
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33 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
A marketing survey compiled data on the number of cars in households. If X = the number of cars in a randomly selected household, 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?
Tags
CCSS.HSS.MD.A.1
CCSS.HSS.CP.A.1
CCSS.HSS.CP.B.7
2.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
The table represents the probability of guessing correct on a 5 question true-false quiz. Find the probability for at least 4 questions correct.
Tags
CCSS.HSF-LE.A.1C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this a probability distribution?
No
Yes
Tags
CCSS.HSS.MD.A.1
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this a probability distribution?
Tags
CCSS.HSS.MD.A.1
CCSS.HSS.MD.A.3
CCSS.HSS.MD.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this a probability distribution?
No, the sum of p(x) does not equal 1.
Yes, all p(x) are between 0 and 1.
No, all p(x) are not between 0 and 1.
Yes, the sum p(x) is 1.
Tags
CCSS.HSS.MD.A.1
CCSS.HSS.MD.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A discrete random variable X has the probability distributions shown in the table. Find the value of k.
1/3
7/12
1/12
1/4
Tags
CCSS.HSS.MD.A.1
CCSS.HSS.MD.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A discrete random variable X has the probability distribution shown in the table. Find P(X < 2).
7/8
1/2
5/8
3/8
Tags
CCSS.HSS.MD.A.1
CCSS.HSS.MD.A.3
CCSS.HSS.CP.A.1
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