Probabilty of Simple Events

Which comparison is NOT TRUE about experimental and theoretical probability?

• Experimental probability could be less than theoretical probability.

• Experimental probability could be greater than theoretical probability.

• Experimental probability uses reasoning while theoretical probability uses trials.

• Experimental probability describes how frequently an event occurred in an experiment while theoretical probability describes how likely an event occurred.

The ____________ probability is performed by recordings of the happening of events.

What is the probability of getting the correct answer in an ABCD multiple choice test if there is a unique correct answer for every item?

• 1/2

• 1/4

• 3/4

• 2/4

If a bag contains 3 black and 4 white balls, what is the probability of picking a white ball?

• 1/4

• 1/3

• 4/12

• 4/7

Glaiza will attend a party and will wear a combination of blouse, trousers, and stiletto. If there will be 16 different combinations of outfit to be made, then how many blouses, trousers and stilettos does Glaiza have?

• 2 blouses, 4 trousers, 2 stilettos

• 7 blouses, 3 trousers, 6 stilettos

• 2 blouses, 4 trousers, 6 stilettos

• 7 blouses, 5 trousers, 4 stilettos

Four-digit numbers are to be formed using the digits 0, 4, 5, 7, and 8 with repetition. If Fundamental Counting Principle will be used to count all possible four-digit numbers, which solution below is correct?

• 4 ∙ 5 ∙ 5 ∙ 5

• 5 ∙ 5 ∙ 5 ∙ 5

• 5 ∙ 4 ∙ 3 ∙ 2

• 4 ∙ 5 ∙ 3 ∙ 2

In how many ways can 3 boys and 3 girls be seated alternately in a row of 6 seats?

• 36

• 72

• 720

• 729

• 6

• 9

• 27

• 54

What is the probability of getting a sum of at most 5 when you roll two dice?

• 1/9

• 1/6

• 5/12

• 5/18

In preparing for the marriage ceremony, they had to choose a ring bearer from four boys– Boaz, Elkanah, David, and Hosea and a flower girl from four girls – Ruth, Hannah, Abigail, and Gomer. List the possible pairs of ring bearer and flower girl. Illustrate your answer using a Tree Diagram.