If three unbiased coins are tossed, find the probability that they are all heads
Find the standard deviation of 2, 3, 5 and 6
W is directly proportional to U. If W = 5 when U = 3, find U when W = \(\frac{2}{7}\)
Determine the value of x for which (x\(^2\) - 1)>0
What value of x will make the function x(4 - x) a maximum?