CA CPT Quantitative Aptitude Question Papers 2012

11. The probability that a girl student gets scholarship is 0.6 and that of a boy is 0.8, then probability that at least one gets the scholarship is:

a) 0.48
b) 0.92
c) 0.08
d) None

12. In a binomial distribution mean is K times the variance then what is the value of K

a) P
b) 1/P
c) 1-P
d) 1/(1-P)

13. If the points of inflexion of a normal curve are 6 & 14 respectively. Then standard deviation is:

a) 4
b) 8
c) 16
d) 32

14. The average of 5 quantities is 6 the average of 3 of them is 8. What is the average of the remaining quantity?

a) 4
b) 5
c) 3
d) 3.5

15. Given variance of X and Y is 25 & 36 respectually and cov of x & Y is 8.4 then find correlation coefficient?

a) 0.33
b) 0.28
c) 0.30
d) 0.36