The cumulative histogram above shows the distribution of mistakes 28 students in a French languge class made on a test. What is the probability that a student selected at random made more than 10 mistakes?

The cumulative histrogram above shows the distribution of scores that 24 students received on an English test. If a students is selected at random, what is the probability that the student will have a score between 71 and 80?

The histogram above shows the distribution of 30 test scores. If test score is selected at random, what is the probability that the score falls in the interval that contains the median score?

The percentage of marks obtained by a student in a monthly test is as follows: What is the probability that the student gets more than 75% marks in a test?

The graph below shows the number of students who were present on Thursday from each of the 5 groups in Ms. Meagan's class. What is the probability that a student selected at random from the class on Thrusday is in Group 4?

In a class of 42 students. 3 students use spectacles. Complete the following activity to find probability of a student, selected at random, wearing spectacles.

The table above shows the distribution of the gender and the language studied of the 30 students in an after-school language program. If a student is chosen at random, what is the probability that the student will be either a boy studying French or a girl studying Spanish?

The table given below shows the months of birth of 36 students of a class : A student is chosen at random from the class . What is the probability that the chosen student was born in October ?

A class has 12 boys and 4 girls. If three students are selected at random from the class, what is the probability that all will be boys?

There are 60 boys and 40 girls in a class.A student is selected at random.Find the probability that student is a girl.

The following table shows the blood groups of 40 students of a class. One student of the class is chosen at random . What is the probability that the chosen student has blood group (i) O ? (ii) AB ?