Higher Concepts of Mathematics
The probability of drawing a black ball is:
7/(7+3) = 7/10.
Therefore, the probability of both events happening at the same time is:
7/10 x 1/2 = 7/20.
The important information in this chapter is summarized below.
The sum of a group of values divided by the number
An arrangement of statistical data that exhibits the
frequency of the occurrence of the values of a variable.
The difference of a data point from the mean.
The mean or average of the absolute values of each
data points variance.
Probability of Success
The chances of being successful out of a number of