Central Tendency
30, 34, 39, 36, 34, 33, 40, 38, 37, 35, 31,32
What is the mode?
34
What is the probability of drawing a red 10 from a standard deck of cards?
1/26
A bag contains 8 red crayons, 14 purple crayons, 6 yellow crayons, and 4 green crayons. A crayon is selected, replaced, then another is selected. Find each probability of picking a purple then yellow crayon.
41/512
Determine if each conjecture is true or false. If false, provide a counterexample. The product of two even numbers is always divisible by 4.
True
List the addition property.
If a=b, then a+c=b+c
30, 34, 39, 36, 34, 33, 40, 38, 37, 35, 31,32
What is the median?
34.5
A pencil box contains 5 red, 12 blue, 10 green, and 3 yellow markers. If a marker is chosen at random, what is the probability that it is yellow?
1/10
A bag contains 8 red crayons, 14 purple crayons, 6 yellow crayons, and 4 green crayons. A crayon is selected, replaced, then another is selected. Find each probability of selecting a green then red crayon.
1/32
Determine if each conjecture is true or false. If false, provide a counterexample. The difference between two negative numbers is always negative.
False
-5-(-7)
List the subtraction property
If a=b, then a-c=b-c
30, 34, 39, 36, 34, 33, 40, 38, 37, 35, 31,32
What is the mean?
29.2
A cookie jar contains four oatmeal raisin, one sugar, nine chocolate chip, and six peanut butter cookies. If one is chosen at random, find each probability of a peanut butter cookie.
3/10
A bag contains 8 red crayons, 14 purple crayons, 6 yellow crayons, and 4 green crayons. A crayon is selected, replaced, then another is selected. Find each probability of selecting two yellow crayons.
9/256
Determine if each conjecture is true or false. If false, provide a counterexample. All birds can fly.
False
Penguins
List the division property
If a=b, then a/c = b/c
30, 34, 39, 36, 34, 33, 40, 38, 37, 35, 31,32
What is the range?
10
A letter from the word below is chosen at random. Find each probability of getting an S.
PHOTOSYNTHESIS
3/14
A football team has 5 freshmen, 8 sophomores, 11 juniors, and 16 seniors. If two are chosen at random to participate in the coin toss, what is the probability that both players chosen are seniors?
2/13
Match the statement to q → p
Converse
List the symmetric property
If a=b, then b=a
30, 34, 39, 36, 34, 33, 40, 38, 37, 35, 31,32
What is the difference between the mean and median?
4.8
A jar contains 6 pennies, 14 nickels, 16 dimes, and 4 quarters. If one coin is chosen at random, find each probability of getting a nickel.
2/3
Ryan’s mom randomly chooses two days each week for Ryan to do his chores. What is the probability that she picks Saturday and Sunday?
1/42
Match the statement ~p → ~q
Inverse
List the distributive property
If a(b+c), then a(b+c)= ab + ac