Answer: $375
Step-by-step explanation:
Given : The probability of winning $100 : P(100)= 0.25
The probability of winning $200 : P(200)= 0.50
The probability of winning $1000 : P(1000)= 0.25
Now, the the expected value of that lottery ticket is given by :-

Hence, the the expected value of that lottery ticket =$375
Answer:50
Step-by-step explanation:38 is the lowest value,45 is the lowest quartile,50 is the median,67 is the upper quartile,and 75 is the greatest value.
Answer:
<em>x</em> = 9.
Step-by-step explanation:
If you meant (x + 13) = 24, then we first must subtract 24 by 13.
24 - 13 = 9
Now, check your work by replacing the "x" with 9.
(9+ 13) = 24
24 = 24 <----- This is a true statement.
Therefore, <em>x</em> = 9.
Hope this helps! :D
Answer: OPTION B
Step-by-step explanation:
You need to remember the logarithms properties:

Then, you can rewrite the expression as a single logarithm:

This matches with the option B.