Question

The probability distribution for a

random variable x is given in the table.
X
-5
3
-2
0
12
3
Probability
.17
-13
1.33
.16
. 11
. 10
Find the probability that x<0

Answer 1

the answer is 0.79

Explanation:

.17+.13+.33+.16=0.79 they are asking for less then or equal to 0 so just add all the percents of those numbers and boom hope that helped :)

Answer 2

0.50

Explanation:

X ___ - 5 ___ 3 __ - 2 __ 0 __ 12 __ 3

P(x) __0.17_0.13_0.33 _0.16 _0.11 _0.10

P(x <0) = p(x = - 2) + p(x = - 5)

P(x < 0) = 0.33 + 0.17

P(x < 0) = 0.50