10/22 Bell ringer

What is the P(A then A) = _____

• 4/81
• 2/9
• 2/7
• 4/18

What is the P(white, purple) = ___

• 1/12
• 7/12
• 7/5
• 1/24

What is the P(purple, purple) = ___

• 16/144
• 8/144
• 6/24
• 6/12

Claire wants to know if the people in her neighborhood think that the speed limit on their street should be reduced. She asks the parents of the children she babysits.

• Biased

• Unbaised

10. A senator wants to how she is doing.  She sends a survey to 1000 registered voters in her party

• Biased
• Unbiased

5. The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.

• Biased
• Unbiased

An ice cream shop offers a choice of three types of cones and 31 flavors of ice cream.  A customer gets to choose a cone and a type of ice cream.   How many events are described here?

• 1
• 2
• 3
• 93

The fundamental counting principle

• Tells you the probability of an event.

• Tells you how many different possible outcomes there are.

• Helps you convert a fraction into a percent.

• Shows you the outcomes that don't appear in a tree diagram.

A particular model at a New Car Dealership comes in 4 trim levels, 5 different colors, and 3 different interiors. How many different versions of this car model can be created from these options?

• 180
• 23
• 12
• 60

The spinner is spun two times.  Determine the probability of landing on red the first spin and on green the second spin .

• 1/9
• 1/10
• 0
• 1/12