(i) the digits are repeated? (ii) the repetition of digits is not allowed?
A person is selected at random from this group to act as a spokesperson. What is the probability that the spokesperson will be either male or over 35 ...
(a) you both enter the same section? (b) you both enter the different sections?
(i) P(2) (ii) P(1 or 3) (iii) P(not 3)
(i) all will be blue? (ii) atleast one will be green?
(i) The student opted for NCC or NSS. (ii) The student has opted neither NCC nor NSS. (iii) The student has opted NSS but not NCC.
, 
and P(E and F) = 
, find(i) P(E or F), (ii) P(not E and not F).
and 
. Find P(A or B), if A and B are mutually exclusive events.(i) P(A)=0.5, P(B)=0.7, P(A∩B)=0.6 (ii) P(A)=0.5,P(B)=0.4,P(A∪B)=0.8
is the probability of an event, what is the probability of the event ‘not A’.(i) 3 heads (ii) 2 heads (iii) atleast 2 heads (iv) atmost 2 heads (v) no head (vi) 3 tails (vii) exactly two tails (viii) no tail (ix) atmost two tails