Probability 4th block

A standard coin has two sides. One side is heads and one side is tails. A coin is tossed 400 times. Using the theoretical probability, how many times should the coin land on heads?

• 200
• 100
• 300
• 50

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

A standard coin has two sides. One side is heads and one side is tails. A coin is tossed 55 times. If the coin lands on tails 30 times, what is the experimental probability of landing on tails?

• 6/11
• 1/2
• 2/55
• 1/15

Lowe's sells both wood and metal screws, in 4 different head widths, and 5 different shank lengths. How many different screws are available?

• 40
• 20
• 11
• 9

A bag of candy contains 2 pieces of bubble gum, 4 jolly ranchers, and 10 tootsie rolls. What is the probability of reaching into the bag and choosing either a piece of bubble gum or a tootsie roll?

• 1/4
• 3/4
• 3/8
• 1/8

Tags

CCSS.7.SP.C.5

A spinner consists of two A's, three B's, and three C's. What is the probability of spinning a B?

• 2/3
• 1/4
• 3/8
• 2/8

A fair six-sided number cube is rolled. What is the probability that the first number rolled is greater than 2 and the second number rolled is even?

• 1/3
• 7/36
• 3/5
• 1/2

A summer camp offers different choices at lunch. How many different lunch combinations consisting of 1 main dish, 1 side dish, and 1 drink are possible?

• 18
• 27
• 9
• 8

A jar contains 8 marbles: 3 are red and 5 are blue. What is the probability of selecting a red marble, replacing it, and then selecting another red marble?

• 9/64
• 6/56
• 15/64
• 25/64

Finn picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 2/5?

• Red
• Yellow
• Blue 
• Green