Answer: Probability that Box A was chosen given that black marble is chosen is 0.5.
Step-by-step explanation:
Since we have given that
Number of boxes = 2
In Box A,
Number of black marbles = 1
Number of white marbles = 3
In Box B,
Number of black marbles = 2
Number of white marbles = 4
Since black marble is selected.
So, using Bayes theorem , we get that

Hence, probability that Box A was chosen given that black marble is chosen is 0.5.
Answer:
<u>749</u>
Step-by-step explanation:
Break apart the equation:
(7 x 100) + (7 x 7)
7 x 100 = 700
7 x 7 =49
700 + 49 = 749
Hope this helps
0.3333333333333333333 ect.
Answer:
x^2 + x = 42
Step-by-step explanation:
Let x = the number
Is means equals and sum means add
The sum of a number and its square is 42
x + x^2 = 42
B is the correct answer choice,you didn’t hear it from me