Probability and Statistics
Probability is the study of ....
a. What is
certain to happen
is most likely to happen
d. all of the
How many ways can you re-arrange the letters of the word, "DOG"
The best method to use when figuring the combinations of #2 is
a. counting principle
b. make a list
c. both of
d. none of these
When rolling one die in a pair of dice,the chances of rolling a 3
b. one in 6
c. one in 9
d. one in 12
e-mail has a password that is all numbers. You remember the first number.
if you were going to guess at the other two, how many possible combinations
would there be?
You are on a school field trip and the bus is stopping at a fast
food restaurant. Your sponsor tells you that you can order either a chicken
sandwich or a cheeseburger. You can also choose between french fries, onion
rings, or a cherry pie. You want to figure out how many meal combinations
there are. The best way to do this is by using a
c. the counting principle
d. a calculator
Which of these best describes the counting principle?
a. A diagram
which outlines all of the choices
total number of possible combinations is the produt of the number of items
in each set
c. The principal
where you make a list and count the numbers
many combinations are there on a combination lock with 40 numbers (including
If a combination lock had 40 letters instead of 40 numbers would it have
a. more combinations
b. less combinations
c. the same number of combinations
d. dividend, divisor and sum
Once you make a tree diagram, you can determine the total number of possible
a. counting the number of branches at the lowest level
b.taking the sum of all the branches at all levels
c. multiplying the number of branches times the number of branches
d. all of the above
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