Simple Probability

A(n) _______________ is the result of a trial.

• sample space
• event
• experiment
• outcome

A(n) ______________ is anactivity involving chance in which results are observed.

• trial
• outcome
• sample space
• experiment

A(n) ________________ is each observation in an experiment.

• outcome
• trial
• sample space
• experiment

A(n) _____________________ is all the possible outcomes of an experiment.

• sample space
• trial
• experiment
• event

A(n) ___________________ is the result of an experiment, usually referring to the desired result.

• event
• experiment
• trial
• sample space

A popcorn company puts a sticker in each box of popcorn. There are four different sticker themes. Fifty boxes were opened and the results are displayed in the table.

• 1/2
• 1/5
• 1/4
• 3/5

Based on a sample survey, a company claims that 35% of their customers are dissatisfied with their products. Of the 1,500 responses, you would expect _____ customers to be satisfied.

• 525
• 650
• 975
• 350

1.  Mark collects antique coins from different countries and has 10 from Spain, 20 from Australia, 15 from Germany and 5 from Japan. If all of Mark’s coins are placed in a bag, what is the theoretical probability that he will randomly pick a coin from Australia or Germany?

• 4/5
• 6/10
• 3/5
• 7/10

1.  A skateboard company finds two defective wheels in a sample of 500 wheels. If a long board company buys four million wheels, how many wheels should they expect to be defective based on the experimental probability?

• 16,000
• 1,600
• 2,000
• 20,000

A spinner has a 1/5 chance of landing on green. How many times is this event likely to occur if you repeat the trial 85 times?

• 68
• 42.5
• 37
• 17