stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Expectation and Variance Flashcards | StudBud
Explore
/
Expectation and Variance
Expectation and Variance
27 terms
·
StudBud Administration
Multiple choice quiz Expectation and variance form probability functions A Level Statistics
Flashcards
27 cards
F
Practice quiz
P
Host live
L
Questions
27
Answers
1
Calculate the value of sd[2X-0.1] for the following probability density function
4.6
4.5
2.2
2.30
2
Calculate the value of sd[X+5] for the following probability density function
2.30
7.30
11.5
-2.7
3
Calculate the value of E[X]
2
for the following probability density function
0.8
0.0484
0.64
0.22
4
Calculate the value of E[X]
2
for the following probability density function
32.7
5.72
35.2
2.48
5
Calculate the value of sd[0.2X] for the following probability density function
0.46
1.058
1.03
2.30
6
Calculate the value of Var[5X-3] for the following probability density function
124.8
121.8
24.96
624
7
Calculate the value of E[X
2
] for the following probability density function
11.66
1.41
3.27
22.35
8
Calculate the value of E[X] for the following probability density function
32.38
4.42
0.26
0.74
9
Calculate the value of E[2X] for the following probability density function
8.84
32.38
6.42
4.42
10
Calculate the value of E[X]
2
for the following probability density function
1.41
3.27
10.7
1.99
11
Calculate the value of E[X] for the following probability density function
1.13
0.78
1.41
0.22
12
Calculate the value of E[X-5] for the following probability density function
9.42
-0.58
22.21
4.42
13
Calculate the value of Var[X] for the following probability density function
1.28
11.66
3.41
1.13
14
Calculate the value of E[X
2
] for the following probability density function
0.36
0.8
1.64
0.22
15
Calculate the value of sd[X] for the following probability density function
-8.29
5.29
2.30
0.32
16
Calculate the value of E[X
2
] for the following probability density function
35.2
2.48
32.7
1532.8
17
Calculate the value of Var[X] for the following probability density function
1.21
0.752
1.51
0.867
18
Calculate the value of Var[X] for the following probability density function
2.48
293.76
17.14
1.58
19
Calculate the value of E[X] for the following probability density function
0.22
0.8
0.3
0.7
20
Calculate the value of sd[X] for the following probability density function
2.48
17.14
1.58
293.76
21
Calculate the value of E[X] for the following probability density function
0.79
5.72
2.48
0.21
22
Calculate the value of sd[X] for the following probability density function
0.867
0.752
1.51
1.21
23
Calculate the value of Var[2X] for the following probability density function
24.96
99.84
9.992
49.92
24
Calculate the value of E[3X+2] for the following probability density function
6.42
4.42
13.26
15.26
25
Calculate the value of Var[X+0.5] for the following probability density function
25.46
24.96
12.48
24.46
26
Calculate the value of sd[X] for the following probability density function
11.66
1.28
3.41
1.13
27
Calculate the value of Var[X] for the following probability density function
0.93
0.07
24.96
4.996
