Probability Distribution - P(X=x) = 1 The table below shows the probability distribution of the random variable X.
х
0
1
2.
3
P(X=X)
0.3
a
0.2
0.1
Find the value of a

step-by-step explanation:

(3rd option) - c

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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