The two way table represents a set of marbles.
Find the probability of randomly drawing a large or small, given that the marble is black
AP Stat Semester
Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The two way table represents a set of marbles.
Find the probability of randomly drawing a large or small, given that the marble is black
0.35
0.28
0.22
0.20
0.80
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You take a 100-question multiple choice test. Each question has five choices, and you guess at each question. Which of the following calculator commands would give you the probability of getting at least 30 questions correct?
1-binompdf(100,0.2,29)
binomcdf(100,0.2,29)
binomcdf(100,0.2,30)
1-binomcdf(100,0.2,30)
1-binomcdf(100,0.2,29)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You roll a six sided die, what is the probability of getting the first 4 in at most 5 rolls?
0.0804
0.5177
0.5981
0.9994
0.0539
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
For a normal distribution with a mean of 25 and a standard deviation of 4, what is the value at the 1st quartile?
25.668
21
25
27.69
22.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P(x)= 0.25 P(y)= 0.3 X and Y are independent. What is P(X or Y)
0.55
0.475
0.025
unknown
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If it is known that 750 out of 2000 people will contract a certain disease when exposed to it through direct contact, what is the probability that out of the next 100 people exposed, a majority of them will contract it?
0.8654
0.99594
0.004057
0.1346
0.2545
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which list has the smallest standard deviation?
1 2 3 4 5 6 7
3 3 3 3 3 3
2 2 2 6 6 6
2 9 9 9 9 9
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