Making Predictions with Theoretical Probability

There are 25 counters in a bag: 6 red,
4 white, 7 blue, and 8 yellow. You choose one counter at random. Which color are you least likely to choose? 

• white 

• blue 

• red 

• yellow

A shop owner finds that 20% of his customers pay with cash and the rest pay with a credit card. Which method could be used to simulate the different types of payment? Select all of the simulation methods that could be used to model this event.

• a fair coin

• A fair 6-sided number cube

• a spinner with 5 equal sections

• a spinner with 10 equal sections

• a set of 75 chips in which 15 chips are black and the remainder are red

Daria chooses a paint color from 5 shades of blue, 2 shades of yellow, and 2 shades of purple to paint her room. She can choose either carpet or wood flooring. What is the probability of her choosing a shade of blue and carpet? (written as a simplified fraction)

• 141
• 151
• 161
• 171

#1 Hello World

• 145

• 155

• 245

• 255

#1 Hello World

• 156

• 166

• 176

• 186

• 1425
• 1475
• 1525
• 1575

• 12
• 13
• 15
• 17

• 22 million
• 33 million
• 44 million
• 55 million

• 94
• 104
• 204
• 224