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Quiz: Semester 3 Flashcards | StudBud

Explore/Quiz: Semester 3

Given set of data: 7,6,8,6,7,7,8,7. Find the mean, median and mode

PDF for discrete rv x is P(X=x)= kx∕8, x=1,2,3,4,5. k constant. find value: k, P(X>3) and E(X)

Quiz: Semester 3

6 terms·StudBud Administration·12 plays

Topics on #Probability, Statistics and Binomial Distribution

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Questions 6

Answers

1
PDF for discrete rv x is P(X=x)= kx∕8, x=1,2,3,4,5. k constant. find value: k, P(X>3) and E(X)
0.5333, 0.6, 3.666
0.53, 0.60, 3.67
0.533, 0.6, 3.67
0.5, 0.6, 3.6
2
Given set of data: 7,6,8,6,7,7,8,7. Find the mean, median and mode
7,8,7
7,6,7
4.5,8,7
7,7,7
3
If P(A)= 0.2 and P(B)= 0.6, find P(A|B) if P(AυB)=0.7 and events A & B are not independent.
1/6
3/5
1/10
1/4
4
Prob Ali shoot a target is 0.35. If he shoots 6 x, find prob at least 2 shots hit the target
0.6805
0.681
0.682
0.685
5
Given P(A)=0.4 and P(B)=0.2, find P(A υ B) if events A and B are not dependent
0.52
0.6
0.50
0.67
6
There are 10 items in a set. The sum is 60, var 3.Each value in the set is × 4. Find mean & var
24 , 12
25,52
24,3
24 , 48