An unbiased coin is tossed until a head appears. The expected number of tosses required is
Let X denote the number of tails tossed before the head appears. Then X is a geometric random variable. P(head) = 1 / 2 and the expectation is E(X)=1 / (1/2) = 2.
Who gave the double helix structure of DNA?
Match the following: -
The term to refer a shoot with a different colour flower or leaf that may arise in a group of plants is
Red colour in tomato is due to
Alkaline soils are clay soils with high pH (greater than 8.5) and a poor soil structure. Which soil amendment is most effective in reclaiming alkaline s...
What is contingent crop planning?
Which pest is known as national pest?
If the NPW is zero, then B/C ratio is
Under India’s constitutional provision of Article 21, what right does it assure to the citizens of India?
Disorders such as “brown hear” of turnips and “hollow stem” in brassicas is due to the deficiency of