A random variable x takes four possible values, 0, 2, a, and b, where a and b are unknown numbers. if pr[x = 0] = 0.2, pr[x=2] =
0.4, pr[x = a] = 0.3, e[x] = 2.8 and it is the case that a + b = 6, what is the missing value of a ?
a.-1.0
b.5.0
c.7.0
d.cannot be determined without more information
e.none of the above
1 answer:
You might be interested in
¯\_(ツ)_/¯
悲しいことに、私は本当に気にしません。 別の答えを探してみてくださいまたはちょうど..あなたが知っている..それを自分でやってください... ???
He will need 6 different colors
Answer:
$8.30
Step-by-step explanation:
7.99 + 4% = 8.30
Answer:
100
Step-by-step explanation:
just add the numbers up 24+26+12+22+16
Hope this helps !! Ask any questions if u need any more help