MS 7.SP.7

If you roll a fair 20 sided die. What is the probability the die lands on an odd number greater than 13?  

 

• 7/13

• 7/20

• 12/20

A six-sided die with sides numbered 1 to 6 is rolled 150 times. The chart below shows how many times each number was rolled. Choose the probability of the die landing on 6.

A six-sided die with sides numbered 1 to 6 is rolled 150 times. The chart below shows how many times each number was rolled. What is the observed probability of landing on an odd number?

A stack of cards is numbered 1 through 25. If a student selects a card, what is the probability that the student selects a card that has a 2 in the ones place, the tens place, or both? Write the answer as a decimal rounded to the nearest hundredth

A spinner with 4 regions colored blue, red, green, and yellow is spun 120 times. The spinner lands on the blue region 35 times, the red region 20 times, the green region 40 times, and the yellow region 25 times.What is the observed probability of the spinner landing on the red region?

• 1/6

• 1/5

• 1/4

• 1/2

If one of the students' names was chosen at random, there would be a __________probability of the name containing five letters.

• 20%

• 40%

• 50%

• 60%

If one of the students' names was chosen at random, the probability of choosing _____ would be 1/3.

• Having 6 letters

• Having 8 letters

• Ending in the letter "e"

• Begining with the letter "L"

Savannah has a bag of colored marbles. Each marble is either red or blue. Savannah picks out a marble at random, records the color of the marble, and puts the marble back into the bag. She repeats this process 40 times and picks a red marble a total of 10 times. Based on this observation, which statement is the most accurate?

• 1 out of 4 marbles in the bag is red

• 1 out of 3 marbles in the bag is red

• 1 out of 2 marbles in the bag is red

• 3 out of 4 marbles in the bag is red

A cube has an A on 3 sides and a B on 3 sides. Rolling it 50 times results in 17 A's and 33 B's.Using this observed probability, how many A's would be rolled in 750 tries?___________ A's