For three events A, B and C, P(Exactly one of A or B occurs) = P(Exactly one of B or C occurs) = P(Exactly one of C or A occurs) = 1/4

P(A) + P(B) – 2P (A ∩ B) = 1/4 P(B) + P(C) – 2P(B ∩C) = 1/4 P(A) + P(C) – 2P(A ∩ C) = 1/4 P (A ∩ B ∩ C)...

February Revolution   On 22 February: A lockout at a factory.   Demonstrators thronged the centre of the capital, and curfew was imposed.   25th February: Suspension of Duma.   27th February: Formation of...

Microsporogenesis Megasporogenesis It is the process of the formation of microspore tetrads from a microspore mother cell through meiosis.  It is the process of the formation of the four megaspores from a megaspore...

Menarche represents the beginning of menstrual cycle which is an indication of attainment of sexual maturity. Menopause, on the other hand, refers to the cessation of menstruation which inturn means...

February Revolution: 1. On 22 February: A lockout at a factory. 2. Demonstrators thronged the centre of the capital, and curfew was imposed. 3. 25th February: Suspension of Duma. 4. 27th February: Formation of...

A coin has two faces: head (H) and tail (T). A die has six faces that are numbered from 1 to 6, with one number on each face. Thus, in the given...

When three coins are tossed, the sample space is given by S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT} (i) Two events that are mutually exclusive can be A: getting no...

It is given that P(A) = 0.42, P(B) = 0.48, P(A and B) = 0.16 (i) P(not A) = 1 – P(A) = 1 – 0.42 = 0.58 (ii) P(not B) =...

Elementary events associated to random experiment of tossing three coins are HHH , HHT, HTH ,THH , HTT,THT,TTH ,TTT Total number of elementary events = 8. (i) The event getting all heads is said to...

Centre (–1, –2) Geometrically, circle will have exactly 3 common points with axes in the cases (i) Passing through origin => p = 0 (ii) Touching x-axis and intersecting y-axis at two points i.e....