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WorksheetsMath 2 - Practice 10.3/10.4
Total questions: 20
Worksheet time: 40mins
Probability of drawing a queen or a diamond from a standard deck of cards.
Which operation is used when dealing with OR probability?
addition (+) and sometimes subtraction (-)
division (/)
multiplication (x)
subtraction (-)
Consider the following table with information about all of the students taking Statistics at Happy High School.
Find P( Female | Part-time) =
15/31
43/71
31/43
15/43
Given the following VENN Diagram answer the following.
P( A | B )
2
.4
.6
.8
A science teacher gave her class two tests. 25% of the class passed both tests and 42% of the class passed the first test. What percent of those who passed the first test also passed the second?
59.5%
10.5%
1.6%
Not enough information
A bag contains 3 red marbles and 4 blue marbles. Two marbles are drawn at random without replacement (that means they keep them!). If the first marble drawn is red, what is the probability that the second marble drawn is blue?
24.5%
42.9%
57.1%
66.7%
45% total of the children in a school have a dog, 30% total have a cat, and 18% have a dog and cat. What percent of those who have a cat also have a dog?
60%
40%
24%
1.7%
What is P(T given C)?
45%
29.6%
40%
33.3%
