" Probability that "A" speaks truth is "(4)/(5)" .A coin is tossed.A reports that a head appears.The probability that actually there was head is "

Probability that A speaks truth is 4/5 . A coin tossed. A reports that a head appears. The probability that actually there was head is a) 4/5 b) 1/2 c) 1/5 d) 2/5

Probability that A speaks truth is (4)/(5) A coin is tossed. A reports that a head appears. The probability that there was head is

Probability that A speaks truth is 4/5 . A coin is tossed and A reports that a tail appears. Find the probability that actually there was tail.

A coin is tossed twice, what is the probability that: no head occurs?

A coin is tossed three times. Given that at least one head appears, what is the probability that exactly two heads will appear?

A coin is tossed 200 times and head appeared 120 times. The probability of getting a head in this experiment is

A man is known to speak truth 4 out 5 times. He tossed a coin and reports that is head. Find the probability that it is actually head.