Ok im here to help the answer is B 16x + 9 = 4x
Answer:
x=2, y=3
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
because 35 divided by 7 is 5, so 4 cars must be 5 x 4 = 20
The probability that you will win the $5 price is 1/16
Chances to pick a specific color
1/4x1/4x1/4=1/64
Chances that all balls are the same color=
chances of all red +chances of all green......
1/64+1/64+ 1/64+1/64=4/64=1/16
Answer:
The gambler's expected value if he makes the bet is $45.
Step-by-step explanation:
Expected value:
15% probability of a profit of $2000.
100 - 15 = 85% probability of having to pay $300, that is, a loss of $300.
The expected value is each outcome multiplied by it's probability, so:

The gambler's expected value if he makes the bet is $45.