Probability and Statistics Review Quiz

Eight women join a beauty pageant. In how many possible ways can they be arranged as first, second, and third placers?

• 336

• 56

• 24

• 40320

In how many ways can Bea arrange six different potted plants in a row?

• 720

• 504

• 120

• 24

In how many ways can you rearrange the letters of the word 'HAPPINESS'?

• 362880

• 3024

• 90720

• 40320

In how many ways can seven people be seated around a round table?

• 5040

• 120

• 504

• 720

A class has 14 students. How many three-member groups can be possibly formed?

• 91

• 364

• 182

• 2184

A group of 4 adults and 3 children are to be formed from 8 adults and 5 children. How many possible groups are there?

• 10

• 70

• 700

• 3432

The probability of winning a game is 1/10. If Maia plays the game 100 times, how many times could she expect to win?

• 5

• 8

• 10

• 12

Tags

CCSS.7.SP.C.6

A coin is tossed 10 times and it resulted to 5 heads. Which of the following statement is true?

• The actual probability is higher than the expected probability.

• The expected probability is higher than the actual probability.

• The actual and expected probabilities are equal.

What is the theoretical probability of getting a number less than 3 when a die is rolled?

• 1/6

• 1/2

• 1/3

• 5/6

Tags

CCSS.7.SP.C.7A

JC used a standard deck of 52 cards and selected a card a random. He recorded the suit of the card he picked, then replaced the card. The results that he obtained are 7 diamonds, 9 hearts, 11 spades and 3 clubs. What is the experimental probability of selecting a heart card?

• 9/52

• 7/30

• 30/52

• 3/10

Tags

CCSS.7.SP.C.6