At a football game, 3 out of the first 12 students who entered the gates were wearing a jacket shirt. Based on this information, if 60 students were at the game, how many students could be expected to be wearing a jacket?
15
Solve –50 – (–20) =
-30
How likely is it that a coin is flipped and lands on tails?
Equally likely, 50%, 1/2
The classic wood carousel at Carousel Park in Hampton, VA has 32 jumping horses and 16 standing horses. What is the probability of randomly selecting a jumping horse?
2/3, .6666..., or 66.66...%
A bag contains: 7 pink marbles, 6 yellow marbles, 3 white marbles, and 4 purple marbles
A marble will be drawn from the bag and replaced 120 times. What is a reasonable prediction for the number of times a
White or purple marble will be drawn?
42
–12 x (–10)
120
How likely is it that a number cube is tossed and lands on 3?
Unlikely
Amiya and Keyshawn are candidates for class president of the 7th grade. Ajaye, Chishon, and Laura are candidates for vice president. How many winning combinations are possible?
6
What is 20% of 80?
16
How likely is it that a number cube is tossed and it lands on 8?
never going to happen, 0 chance
Pedro recorded the types of birds that visit his bird feeder. Based on the results below, what is the probability the next bird will be a chickadee? Woodpecker = 3 Chickadee = 5 Cardinal = 1 Sparrow = 13 Blue Jay = 3
1/5, or 0.20, or 20%
On a wall map, the distance between two cites is 90 miles. The wall map uses a scale in which 3 inches represents 30 miles. What is the actual distance between these two cities in inches?
9
How likely is it that a number cube is tossed and lands on any number 1-6?
Certain, 100% chance, 1 whole
A bag contains 10 marbles:
2 red, 4 blue, 3 green, and 1 white
A marble will be drawn from the bag and replaced 80 times. What is a reasonable prediction for the number of times a red or green marble will be drawn?
40
How likely is it that a number cube lands on 2 and a coin lands on heads?
unlikely