Probability Test

You pick one marble from this bag. What is the probability of picking white? (plain white)

• ³/₁₀

• ¹/₃

• ⁴/₁₀

• ¹/₂

Tags

CCSS.7.SP.C.7B

There are 10 marbles in this bag. What is the probability of picking yellow OR green?

• ⁴/₁₀

• ⁵/₁₀

• ⁶/₁₀

• ¹/₅

Tags

CCSS.HSS.CP.B.7

You roll a standard dice two times. What is the probability of getting a 6 on the first roll, then an even number on the second roll?

• ¹/₆

• ¹/₉

• ¹/₁₂

• ¹/₃₆

You toss a coin once and a standard dice once. What is the size of the sample space?

• 2

• 6

• 8

• 12

A bag contains 2 blue marbles, 3 black marbles, and 5 red marbles. If Mrs. Falcon pulls one marble without replacement, then pulls a second marble, what is the probability of them both being blue?

• 1/45

• 1/5

• 1/20

• 2/5

Rolling an 8 on a 6-sided die

• Impossible

• Unlikely

• Equally Likely

• Likely

• Certain

Tags

CCSS.7.SP.C.5

A bag of candy contains 2 packs of Skittles, 4 Twizzlers, and 10 Reese's cups. What is the probability of reaching into the bag and choosing either a pack of Skittles or a Reese cup?

• 3/4
• 1/4
• 3/8
• 1/8

Tags

CCSS.HSS.CP.B.7

The cafeteria is serving three kinds of sandwiches:  tuna (T), chicken, (C), and peanut butter (P).  They are also serving a choice of two drinks:  milk (M) or water (W).  Which is the complete set of possibilities of combinations?

• TW, CW, PW
• TW, TM, TW, CW, PW
• TW, TM, CW, CM, PW, PM

Tags

CCSS.7.SP.C.8B

Chris tosses three quarters up in the air. What is the probability that all three will land on tails?

• 1/2

• 1/6

• 1/8

• 3/8

Tags

CCSS.7.SP.C.7A

Without looking Christy pulls socks from a drawer containing 2 white socks, 6 black socks, and 4 yellow socks. Find the probability of drawing a black then a yellow WITHOUT REPLACEMENT.

• 1/6

• 2/11

• 1/2

• 1/3