List of top Mathematics Questions on Probability asked in IIT JAM BT

A random variable X and its probability distribution is given below. The value of P(X<5) is _______. (rounded off to one decimal place)

X	0	1	2	3	4	5
P(X)	0	K	2K	3K	4K	5K

Given data consists of distinct values of $𝑥_𝑖$ occurring with frequencies $𝑓_𝑖.$ The mean value for the data is _____. (rounded off to one decimal place)

$X_i$	5	6	8	10
$F_i$	8	10	10	12

If a coin is tossed three times, what is the probability that NO two successive tosses show the same face?

If A and B are events such that \( P(A) = 0.3, P(B) = 0.2 \) and \( P(A \cup B) = 0.45 \), the value of \( P(A \cap B) \) is .............