stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
QuiZMania-ProStat Flashcards | StudBud
Explore
/
QuiZMania-ProStat
QuiZMania-ProStat
25 terms
·
StudBud Administration
·
7 plays
Contains Questions on Probability and Statistics
Flashcards
25 cards
F
Practice quiz
P
Host live
L
Questions
25
Answers
1
Find the mean of the given data - 3, 4, 4, 9, 8, 8, 6, 4, 7, 9, 1, 3, 5, 3, 5, 9, 8, 6, 3, 7, 1
6.38
5.21
5.41
5.38
2
The maximum probability of a universally negative event can be
Just less than 1
Half
Zero
Unity
3
A goalkeeper has probability .03 of saving a penalty. How many penalties would he expect to save from 90 attempts?
3
2
1
4
4
In which octant does the point (-3,5,-7) lie?
7th
6th
5th
3rd
5
A percentile is the score-
Below which a certain percentage of data lies
Above which a certain percentage of data lies
Both A and B
None of the above
6
What is interquartile range?
Upper range - Lower range
Upper range - Lower quartile
Upper quartile - Lower quartile
Upper quartile - Lower range
7
For the data set 12, 24, 17, 10, 16, 29, 22, 18, 32, 20. IQR will be
10
9
7
8
8
Jain rolls an 8-sided die twice. Find the probability that - exactly one 4 is rolled.
1/32
5/32
7/32
9/32
9
Who is the father of probability?
Carl Friedrich Gauss
Euclid
Blaise Pascal
Archimedes
10
Jain rolls an 8-sided die twice. Find the probability that - at least one 4 is rolled.
7/64
15/64
7/32
15/32
11
If A and B are disjoint, mutually exclusive event, then
Their Union is maximum
No change in union
Their union is minumum
Union can't be determined
12
What is upper boundary for outlier?
Any data which is at the upper boundary
It depends upon the data
Any data which is lesser than the upper boundary
Any data which is greater than the upper boundary
13
Two events are said to be complimentary if exactly
Not possible
Two events must occur
One of the events must occur
Both events do not occur
14
A ball is randomly selected from 3 green, 4 yellow and 5 blue balls. What is the probability of not getting a blue ball?
5/12
3/12
7/12
4/12
15
Which of the following statistical tool does not get affected by extreme values
Mean
Mode and Median
Mode
Median
16
Length of a bar is 7 units whose coordinates are (2,4,-3) and (K,-1,-2). One Value of K is?
4.8
-2.8
-4.8
2.8
17
Two or more events are dependent if their occurrence
Cannot be determined
Does not affect each other
Affects each other
Both A and B
18
Find
a
if 3, 0, a, a, 4, a, 6, a, and 3 have a mean of 4.
6
4
5
5.5
19
The points A (1,2,3), B (-1,-1,-1) and C (3,5,6) are
Non-collinear
Collinear
None of the above
perpendicular to each other
20
A column graph allows us to quickly observe the
Distribution or range
Distribution or length
Distribution or area
Distribution or shape
21
Distance of point (-8,-6,-5) from the X-Y Plane is:
10
5
Both A and B
-5
22
Two events are said to be independent if their intersection will be
Multiplication of their probability
Division of their probability
Subtraction of their probability
Addition of their probability
23
The point (-4,-6,10) lies on the surface of sphere with centre (2,3,-1). Its volume will be
14400
16400
15400
13400
24
The time taken to run a 100m race is a
DISCRETE DATA
CONTINUOUS DATA
CATEGORICAL DATA
RANDOM DATA
25
What is the total number of possible outcomes in a coin which is tossed four times?
16
8
12
2
