Question 1

What is the probability of spinning a number less than 3?

Accepted Answer

$\frac{1}{6}$

Answer

$\frac{3}{6}$

Answer

$\frac{4}{6}$

Answer

$\frac{2}{6}$

Question 2

A bag contains pink, yellow, and green marbles. The probability of randomly selecting a pink marble is $\frac{2}{5}$ . The probability of randomly selecting a yellow marble is $\frac{1}{3}$ .

Which statement is true?

Accepted Answer

Green is the least likely colored marble to be randomly selected.

Answer

There is not enough information to determine which is least likely to be randomly selected.

Answer

Pink is the least likely colored marble to be randomly selected.

Answer

Yellow is the least likely colored marble to be randomly selected.

Question 3

Evan has a box of colored cubes. There are three colors of cubes blue, red, yellow. Blue cubes make up $\frac{1}{2}$ of the box and red cubes make up $\frac{3}{10}$ of the box.

If Evan reaches in the box to pick out a random cube, what is the probability he will choose a yellow cube?

Accepted Answer

$\frac{1}{5}$

Answer

$\frac{1}{3}$

Answer

$\frac{1}{4}$

Answer

$\frac{1}{4}$

Question 4

Chenuyan is tossing a fair coin. He tosses the coin twenty times, and it lands on heads sixteen times.

If Chenuyan tosses the coin a twenty-first time, what is the probability that it will land on tails?

Accepted Answer

$\frac{1}{2}$

Answer

$\frac{4}{5}$

Answer

$\frac{1}{5}$

Answer

$\frac{2}{5}$

Question 5

A jar contains marbles of different colors. The probability of drawing a red marble at random is $\frac{2}{10}$  .

What is the probability, and the likelihood, that the marble drawn is not  red?

Accepted Answer

$\frac{4}{5}$; likely

Answer

$\frac{4}{5}$; unlikely

Answer

$\frac{3}{5}$; likely

Answer

$\frac{3}{5}$; unlikely

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