Basic Distribution

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct sign
'probability more than 7'
P(X>7)
P(X<7)
P(X≥7)
P(X≤7)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct sign
'probability less than 7'
P(X>7)
P(X<7)
P(X≥7)
P(X≤7)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the following a probability distribution?
Yes, because all of the probabilities are between 0 and 1 inclusive and the sum of all the probabilities is 1.
No, all probabilities are not be between 0 and 1 inclusive
No, the sum of all the probabilities is not 1.
Yes, because the distribution is symmetric
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table represents the probability of guessing correct on a 5 question true-false quiz. Find the probability for at least 4 questions correct.
.03125
.15625
.3125
.1875
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this a probability distribution?
No
Yes
6.
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 in a randomly selected household, and we omit the rare cases of more than 5 cars, then X has the probability distribution shown. What is the probability that a randomly chosen household has at least two cars?
0.20
0.29
0.39
0.61
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct sign
'probability from 4 to 9'
P(4<X<9)
P(4<X≤9)
P(4≤X≤9)
P(4≤X<9)
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