Answer:
It’s D
Step-by-step explanation:
Answer:
1: 5/20 2: 1 2/20
Step-by-step explanation:
multiply ti to get 20 and multiply the numerator with it
Answer:
What is the question
Step-by-step explanation:
Answer:
the answer is 3n+7 please do you get it
Answer:

Step-by-step explanation:
Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.
The probability to select red marble is
Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.
The probability to select red marble is
Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.
The probability to select red marble is
The probability to choose each urn is the same and is equal to 
Thus, the probability that the marble is red is
