SUBJECTIVE QUESTIONS
Q. Three horses A, B, C are in a race; A is twice as likely to win as B, and B is
twice likely to win as C then find the probability that B or C wins 3 marks
Q. In a school, 50% students study science subjects and 30% of them
study biology. What is the probability that the student studies
Biology?
Q. The ages of 5 students in a population are 12, 16, 10, 14 and 13.
Considering all possible samples of size two which can be drawn with
replacement from this population, find (marks 5)
a) The mean age.
b) The standard deviation of the students
Q. What will be y-intercept ‘b’ in the regression line Y=aX+b if Y = 9, X = 3
and a = 2 ? ( 2 marks)
Q. Three horses A, B, C are in a race; A is twice as likely to win as B, and B is
twice likely to win as C then find the probability that B or C wins 3 marks
Q. In a school, 50% students study science subjects and 30% of them
study biology. What is the probability that the student studies
Biology?
Q. The ages of 5 students in a population are 12, 16, 10, 14 and 13.
Considering all possible samples of size two which can be drawn with
replacement from this population, find (marks 5)
a) The mean age.
b) The standard deviation of the students
Q. What will be y-intercept ‘b’ in the regression line Y=aX+b if Y = 9, X = 3
and a = 2 ? ( 2 marks)
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