Then the original price was $42
Because it is half off we multiply 21 by 2 and get 42.
Coin: 50%; 1/2 chance to get heads
dice: 17%; 1/6 chance to get 2
It wont be a perfect number
Answer:
A
Step-by-step explanation:
As the sample size n increases, the sample mean (μy) becomes a more accurate estimate of the parametric mean, so the standard error of the mean becomes smaller. Therefore, the variance of y decreases and the distribution of y becomes highly concentrated around μy.
Although x ² and x both have the variable x, you can’t add them together. So x + x + x + x is 4x and we just leave x ² the same. So the simplified expression is x ² + 4x. I hope this helped!!
