Least square regression line always passes through ____________________?
A. (x,y)
B. (X,Y)
C. (X,Z)
D. x/y
Statistics Mcqs
In a Poisson probability distribution __________________?
In a Poisson probability distribution __________________?
A. The mean and variance of the distribution are same (equal)
B. The probability of success is always greater than 5
C. The number of trials is always less than 5
D. it always contains a contingency table
Which of the following is not a correct statement about a Probability _________________?
Which of the following is not a correct statement about a Probability _________________?
A. It must have a value between 0 and 1
B. It can be reported as a decimal or a fraction
C. A value near 0 means that the event is not likely to occur/happens
D. It is the collection of several experiment
The special rule of multiplication of probability, the events must be ______________?
The special rule of multiplication of probability, the events must be ______________?
A. Independent
B. Mutually exclusive
C. Bayesian
D. Empirical
if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?
if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?
A. 4/36
B. 13/36
C. 21/36
D. 15/36
. If the occurrence of one event means that another cannot happen, then the events are _______________?
. If the occurrence of one event means that another cannot happen, then the events are _______________?
A. Independent
B. Mutually Exclusive
C. Bayesian
D. Empirical
5C5 is equal to ________________?
5C5 is equal to ________________?
A. 5
B. 5×5
C. 1
D. None of these
The product of first ‘n’ natural numbers is _____________?
The product of first ‘n’ natural numbers is _____________?
A. 1.2.3.4,………
B. 1.2.3……(n-2) (n-1) (n)
C. n. (n-1) (n-2)…………..3.2.1.0
D. None of these
If in a coin P(H) = 2P(T) then prob. of head is ______________?
If in a coin P(H) = 2P(T) then prob. of head is ______________?
A. 1/3
B. 2/3
C. 1/2
D. 0
If P(A/B)=1/4 and P(A∩B) =1/5 then P(B) is ________________?
If P(A/B)=1/4 and P(A∩B) =1/5 then P(B) is ________________?
A. 4/5
B. 1/20
C. 0
D. 1/9