Topic 11 Part 2 Review 2

Front

What is the probability of two independent events occurring together?

Back

The probability of two independent events occurring together is the product of their individual probabilities.

Front

If I multiply 1/4 by 1/10, what percent do I get?

Back

2.5%

Front

How do you calculate the probability of selecting a specific group from a total?

Back

Divide the number of favorable outcomes by the total number of outcomes.

Front

If there are 24 students and the probability of selecting a student with last name B is 1/6, how many students have last name B?

Back

4 students.

Front

What is the probability of selecting a student with last name B or C if it is given as 5/12?

Back

This means that 10 out of 24 students have last names B or C.

Front

What is the probability of an event that is not happening?

Back

It is calculated as 1 minus the probability of the event happening.

Front

If 40% of students are wearing caps and 30% are wearing sneakers, how do you find the probability of wearing a cap but not sneakers?

Back

Subtract the probability of wearing both from the probability of wearing a cap.

Front

What is the formula for calculating the probability of drawing socks without replacement?

Back

Multiply the probabilities of each draw, adjusting the total number of socks each time.

Front

If I have 5 apples, 6 oranges, 7 bananas, and 12 pears, what is the probability of selecting either an orange or a pear?

Back

3/5.

Front

What is the total number of outcomes when drawing from a set of items?

Back

It is the sum of all individual items in the set.