F1-F3 Review

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6
• 1/2
• 1/3
• 1/6

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19
• 10/28
• 5/14

What is the probability of flipping a coin and getting heads?

• 1/2
• 1/3
• 1/4
• Never, Tails never fails.

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Probability is defined as...

• the set of all possible outcomes.
• the likelihood that an event will happen.
• a tree diagram.
• the fundamental counting principle.

Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

What is sample space?

• a process with an uncertain result

• a possible result of an action

• a list of all possible outcomes of an event

• a single outcome or group of outcomes

What is the sample space?

• 6 bears

• orange, green, red, white, yellow

• unlikely

• 2 red bears

In a group of 101 students, 30 are freshman and 31 are sophomores. Find the probability that a student picked at random is either a freshman or sophomore

• 20/101

• 71/101

• 41/101

• 29/101

In a group of 101 students, 40 are juniors and 50 are female and 22 are female juniors. Find the probability that a student selected from the group at random is either a junior or female.

• 30/101

• 90/101

• 68/101

• 20/101