The lottery game is an illustration of probability
- The total number of different selections is 1000
- The probability of winning is 0.001
- The net profit of winning is $262.82
- The expected earning is -$1.156
<h3>The number of selections</h3>
Each of the three selections can be any of the 1o digits 0 - 9.
So, the total number of different selections is:


<h3>The probability of winning</h3>
Only one of the 1000 selections can win.
So, the probability of winning is:


<h3>The net profit</h3>
The stake amount is given as $1.42, and the earnings per game is given as $264.25.
So, the net profit is:
Net = $264.25 - $1.42
Net = $262.82
<h3>The expected winnings</h3>
This is calculated as:

So, we have:


Hence, the expected earning is -$1.156
Read more about probability at:
brainly.com/question/25870256
Answer:
A week is 7 days so if she spends 3 hours a day that 21 hours during a whole week. Since we are trying to find 4 weeks we multiply by 4
21*4=84
Hope This Helps!!!
Answer:
x = all real numbers
infinite solutions
Step-by-step explanation:
6x+12=2(3x+6)
Distribute
6x+12 = 6x+12
Subtract 6x from each side
12 =12
This is always true
This means there are infinite solutions for x
x is all real numbers
I think the answer is y=1/4x+2.
Hope that helps!!!
Answer: 5x-3
Step-by-step explanation:
(25x-15)
25/5x-15/5
5x-3