It's A because 8-15 is -7 but the absolute value parenthesis make it positive 7.
Answer:
I will say C, because tossing a coin twice has two outcomes. H is for heads while T is for heads. Tell me if I'm right.
Step-by-step explanation:
Answer:
A total of 15 cups of punch.
Step-by-step explanation:
20% ( or 0.20) of the punch is pineapple juice so if you have 3 cups of this juice, by proportion, you can make 3 / 0.20 = 15 cups
Answer:
11
Step-by-step explanation:
Answer:
The correct option is b.
Step-by-step explanation:
The formula for standard deviation is
where, is mean of the data and n is number of observation.
The variance of a stock's returns can be calculated by the above formula.
Variance of stock's returns is the average value of squared deviations from the mean.
Therefore the correct option is b.