Math 8: Semi-finals Review

What technique of counting possible outcomes is illustrated?

• Tabular

• Fundamental Counting Techniques

• Systematic Listing

• Tree Diagram

In how many ways can a 5-digit code be formed using the digits 1 to 9 if repetition is allowed, and which is the most effective method to count the possibilities?

• Fundamental Counting Techniques

• Systematic listing

• Tabular

• Tree Diagram

In the experiment of drawing a card from a standard deck of 52 cards, what is an example of an outcome?

• Drawing a red card

• Drawing a face card

• Drawing the Ace of Spades

• Drawing a card with a value less than 10

A restaurant offers six different appetizers, but a customer can only choose two in a specific order for a meal combo. Applying the product rule, which one gives the number of ways to select and arrange the appetizers?

• 6 + 5

• 6 x 5

• 6!

• 6^2

A security code for a door consists of a 3-digit odd number chosen from the digits 1 to 9, with no repetition of digits allowed. How many possible security codes can be created?

• 150

• 260

• 224

• 380

Which of these measures of central tendency is calculated by adding all values and dividing by the number of values?

• Median

• Range

• Mode

• Mean

What does a trimodal mean?

• A. The data set has one mode.

• B. The data set has no mode.

• C. The data set has two modes.

• D. The data set has three modes.

What is the sample space for flipping a fair coin?

• A. {Heads}

• B. {Tails}

• C. {Heads, Tails}

• D. {Heads, Tails, Edge}

Which data has two mode?

• 3, 5, 7, 9, 11

• 2, 4, 6, 8, 10, 12

• 1, 3, 3, 5, 7

• 4, 4, 5, 6, 6

Which of the following best describes a experiment?

• Rolling a six-sided die

• Getting a number greater than 3 on a die

• The result of rolling a 4 on a die

• The set of all possible outcomes when rolling a die