60.3k views
4 votes
2

The probability distribution of the random variable X is shown in the following table.
0
3
1 2
0.12 0.16 9 0.22
-2
P(X=x) 0.08
X
-1
P
The mean of X is 1.05.
(i) Write down two equations involving p and q and hence find the values of p and q.
(ii) Find the variance of X.
[4]
[2]

1 Answer

5 votes

Answer:

I don't know ooo y the same time that I can come get you if you want to

User DCTLib
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories