## anonymous one year ago using the probabilty distribution table what is the value of p(x=4 or x=1)? x 0 1 2 3 4 5 p 0.3 00.5 0.1 0.15 0.15 0.25 p(x=4 or x=1)=1

1. steve816

0.5+0.15

2. amistre64

the probability of a given random variable, is: x p(x)

3. amistre64

but then, it seems like your table is a little off ... since the sum of: x P(x) is not 1, but 3.

4. anonymous

wait so it 0.65 the answer or

5. anonymous

$\begin{array}{c|cccccc} x&0&1&2&3&4&5&\\ \hline p(x)&0.3&\color{red}{0.05}&0.1&0.15&0.15&0.25 \end{array}$ @amistre64 For any probability distribution, we have to have $$\sum\limits_{x}p(x)=1$$, not the sum of $$xp(x)$$ (you're thinking of expected value, which need not be 1). And yeah, it's 0.65.