A fair coin is tossed three times. Find the probability o...
A fair coin is tossed three times. Find the probability of getting two heads and one tail.
12
38
14
18
Correct answer is B
Pr(head) = 12, Pr(tail) = 12:Pr(2 heads)
= 12 x 12 = 14
Pr(2 heads and tail) 3 times
= (14 x 12) x 3
= 38
Which of the following equations has its roots as 4 and -5?...
In the diagram, O is the centre of the circle of radius 18cm. If < zxy = 70o, calculate the ...
On a map, 1cm represent 5km. Find the area on the map that represents 100km2....
What is the probability of having an even number in a single toss of a fair die? ...