Probability of Simple Events

What is the probability of randomly selecting a seventh grader from a school that has 250 sixth graders, 225 seventh graders, and 275 eighth graders

• 1/5

• 3/5

• 3/10

• 1/10

Jema has 6 different suitors who has various characteristics.
Mingyu = kind, loving, cute, hot
Joseph = introvert, handsome, gamer
Hoshi = jolly, cute, dancer
Dk = jolly, singer, loving, cute
Dino = cute, dancer, kind

Milcent = singer, sassy, loving, cute

What is the probability that she picks a suitor whose name has 2 syllables?

• Impossible

• Certain

• Even

• Likely

Philippines is facing a COVID-19 pandemic which prompted DepEd to change their learning modalities to cater the students‘ need and safety as well. In OLLS, teacher Janice is a grade 8 adviser. She conducted a survey on all of her 50 students regarding their most preferred learning modalities on which the students can choose (a) Online learning; (b) Modular; (c) Face to face; and (d) Blended learning. After the survey, the following results were obtained:

If a student is chosen at random, what is the probability that he/she prefers blended learning?

• 10/50

• 1/5

• 0.2

• All answers are correct.

If one letter is chosen at random from the word INCOMPREHENSIBILITIES, what is the probability that the letter chosen is a vowel?

• 3/7

• 2/7

• 1/7

• 4/7

A bag holds the following tiles: A, 2, 4, B, 3, 7, C, 5, 8, D, T, 6, G, 9. If a tile is picked at random, what is the probability that he picks a letter?

• 3/7

• 4/7

• 2/7

• 5/7

Jema has 6 different suitors who has various characteristics.
Mingyu = kind, loving, cute, hot
Wonwoo = introvert, handsome, gamer
Hoshi = jolly, cute, dancer
Dokyeom = jolly, singer, loving, cute
Dino = cute, dancer, kind
Jeonghan = singer, sassy, loving, cute

What is the probability that she picks a suitor who is cute?

• 5/6

• 2/3

• 1/6

• 3/5

The probability that it will rain tomorrow is 96%. What is the probability that it will not rain tomorrow?

• 1/25

• 3/25

• 2/25

• 4/25

The names Sunghoon, Jungwon, Heeseung, Jay, Niki, Jake, and Sunoo are on slips of paper in a hat. If Sir Jayson pick a name at a random, what is the probability that he does not pick a name that starts with J?

• 3/7

• 4/7

• 2/7

• 5/7

A bag holds the following tiles: A, 2, 4, B, 3, 7, C, 5, 8, D, T, 6, G, 9. If a tile is picked at random, what is the probability that he picks a prime number?

• 3/7

• 4/7

• 2/7

• 5/7

At a school health fair, individual pieces of fruit are placed in paper bags and distributed to students randomly. There are 20 apples, 5 apricots, 20 bananas, 25 pears, and 30 peaches. What is the probability of getting a pear?

• 1/4

• 1/2

• 2/3

• 3/4