A player tosses 2 fair coins. He wins Rs. 5 if 2 heads appear, Rs. 2 if 1 head appear and Rs. 1 if no head appears, then variance of his winning amount is

A players tosses 2 fair coins. He wins Rs. 5 if 2 heads appear, Rs. 2 if 1 head appear and Rs. 1 if no head appears. Then his expected wining amount is

A player tosses two coins he wins Rs.10 if 2 heads appears , Rs. 5 if 1 head appears and Rs.2 if no head appears. Find the expected winning amount and variance of winning amount.

A player tosses two unbaised coins. He wins Rs. 5 if two heads appear, Rs. 2 if one head appear and Rs. 1 if no head appear. Find the expected amount to win.

A player tosses 2 fair coins. He wins 5 if 2 heads apper , 2if 1 head appers and 1 if no head appers. Find his expected winning amount and variance of winning amount .

A player tosses two coins. He wins Rs. 1 if 1 head appears, Rs 2 if 2 heads appear. But he lose Rs 5 if no head appears. The mean of the prized money is

A player tosses two coins He wins ₹10 if 2 heads appear,₹5 if 1 head appears of ₹2 if no head appear.Find the expected winning amount and variance of winning amount.

A player tosses 3 fair coins and wins Rs. 8 if three heads occur, Rs. 3 if 2 heads occur and Rs. 1 if one head occurs. If the game as to be fair (i.e., expected value is zero) how must should he lose, if no head occur ?