Form 2 Math Quiz Chapter 13

Determine the probability of obtaining number 3 when a fair dice is thrown 400 times and the number 3 appears 73 times.

The diagram below shows eight letter card.

S,Y,A,R,I,K,A,T

A card is chosen random from the box. Y is the event of getting a consonant.

Which of the following are the elements of event Y in the sample space?

• {A,I,S}

• {A,A,I,S}

• {S,Y,R,T}

• {S,Y,A,R,I,K,A,T}

There are 21 black pens, 28 blue pens and 15 red pens in a bookstore.

Calculate the probability that a pen sold is not a blue pen.

25% of the number of glasses in three boxes are broken. If a box contains 40 glasses, calculate the probability of choosing one glass that is still in the good condition.

• 0.75

• 0.50

• 0.25

• 1.00

• 10

• 12

• 15

• 25

• 9

• 12

• 18

• 20

The probability of Amirul's arrow hitting the target is 80%. In each match, Amirul is given the opportunity to shoot five times. Calculate the number of Amirul's arrows that did not hit his target in the 10 matches he participated in.

• 8

• 10

• 35

• 40

• 7

• 14

• 24

• 48

In 2015, the number of students registered in College A are 450 students and 230 of them are male students.

In 2016, an additional of 60 female students registered in that college.

If a student is chosen at random, find the probability that a female student is chosen.