If three unbiased coins are tossed, find the probability ...
If three unbiased coins are tossed, find the probability that they are all heads
12
13
19
18
Correct answer is D
P(H) = 12 and P(T) = 12
Using the binomial prob. distribution,
(H + T)3 = H3 + 3H2T1 + 3HT2 + T3
Hence the probability that three heads show in a toss of the three coins is H3
= (12)3
= 18
If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6. ...
Find the sum of the first 20 terms of the series 8, 12, 16, ....., 96 ...
Consider the statements: p: Siah is from Foya. q: Foya is in Lofa. Write in symbolic for the stat...
In triangle PQR, PQ = 1cm, QR = 2cm and PQR = 120o Find the longest side of the triangle...
If 1p = a2+2ab+b2a−b and 1q = \(\frac{a + b}{a^2 - 2a...
Height(cm) 160 161 162 163 164 165 No. of players 4 6 3 7 8 9 the ...