In a pack of card, the probability of getting a red king is

• 1/26

• 2/27

• 2/17

• 1/16

A bag contain 3 white ball, 4 red ball and 6 black ball. Three balls are drawn at random.The probability of getting 2white and 1 black is

• 3/17

• 3/14

• 2/17

• 2/16

THE TOTAL PROBABILITY VALUE IS EQUAL TO

• 0

• 1

• -1

• 2

E(Ax+B) IS EQUAL TO

• E(x)

• E(x)+B

• AE(X)+B

• AE(X)

VAR(aX+b) IS EQUAL TO

• aVar(X)

• aVar(X)+b

• a^2var(X)+b

• a^2VAR(X)

VAR(CONSTANT) IS EQUAL TO

• 0

• 1

• Constant

• 2

E(CONSTANT) IS EQUAL TO

• 1

• 0

• Constant

• None of the above

THE MOMENT ABOUT THE MEAN IS CALLED

• 0

• Raw moment

• Central moment

• None of the above

THE MOMENT ABOUT THE ORIGIN IS CALLED

• 0

• Central moment

• Raw moment

• Moment generating function

THE VALUE OF FIRST MOMENT ABOUT MEAN IS CALLED

• 2

• 0

• -1

• 3