Ch10Vocabulary Quiz

Match the following

• Each one has the same chance

• EXPERIMENTAL PROBABILITY

• Favorable outcomes ÷ possible outcomes

• ODDS AGAINST

• Unfavorable outcomes: favorable outcomes

• THEORETICAL PROBABILITY

• Odds are based on experimental data

• RANDOM SAMPLE

• Favorable outcomes: unfavorable outcomes

• ODDS IN FAVOR

Any group of objects or people in a survey is called a(n) _______________________.

A(n) _____________________is a part of a population.

• survey

• sample

• bias

• combination

A random sample is _______________________.

• one chosen with bias

• when everyone has the same chance of being chosen

• a part of the poulation

• unlikely in any survey

Biased questions (choose all that apply)

• are unfair survey questions

• can make one answer seem better than others

• may try to lead the person being surveyed

• are difficult to identify

match

• outcome of 1st event affects 2nd

• population

• group of object without order considered

• dependent events

• an arrangement of objects in an

  order

• independent events

• outcome of 1st event does not affect 2nd

• permutations

• a group of people in a survey

• combinations

Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?

• thirty students who are often tardy

• thirty students who are rarely tardy

• thirty of her friends

• thirty randomly selected students from her school

A musician wanted to see what people who bought his last album thought about the songs. Which choice best represents a sample? .

• Every person who bought the album.

• A selection of people who didn't want to buy the album.

• 250 girls who bought the album

• A selection of 3,294 people who bought the album.

You want to estimate how many students like sports at your school. Which sample is the best?

• A.) 10 students in the library 
• B.) 50 students in athletics 
• C.) 100 students at a school wide assembly 
• D.) 100 students in 6^th grade