Answer:
00 to 99 are 100 numbers.
If you match the first number only, you win $200. The Probability for this is 1/100.
If you match the first two numbers and not the third, you win $5000. The Probability for this is 1/50.
If you match all three numbers, you win $100,000. The Probability for this is 3/100.
And, If you are a customer, You will think is fair for you.
But if you are the lottery tickets company, you will think is not fair for you.
It depends who you are.
subtract 3 from 23 and u will get 20 then divide 2 by 2 and 2 by 20
x= 10
Step 1.) Set up the equation
28 %
---- = ------
40 100
Step 2.) Multiply the cross products
2800 = 40x
-------- ------
40 40
70% = x
Answer:
The expected value is also known as the expectation, mathematical expectation, mean, average, or first moment.