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Coin toss outcomes: – P(Head) = 1/2 – P(Tail) = 1/2 If head occurs: – Bag contains 3 red and 4 green balls → total = 7 – P(Green | Head) = 4/7 – P(Green ball) = (1/2) × (4/7) = 2/7 If tail occurs: – A die is thrown – Prime outcomes = {2, 3, 5} → 3 favourable out of 6 – P(Prime | Tail) = 3/6 = 1/2 – P(Prime number) = (1/2) × (1/2) = 1/4 Since both cases are mutually exclusive, total probability = 2/7 + 1/4 = (8 + 7)/28 = 15/28
There are five members in the family. J is father-in-law of Y, who is sister-in-law of W. E is mother of W. L is the only brother of W. J is married. Wh...
Read the directions carefully and answer the following questions.
If,
‘X * Y’ means X is father of Y,
‘X # Y’ means X is...
Answer the questions based on the information given below.
‘L@M’ means ‘L is the father of M’.
‘L&M’ means ‘L is the sist...
How is S related to R, if T has only one daughter?
In a family of six members, P is married to Q. R is Q's sister, and S is R's father. T is S's mother. How is T related to P?
How many male members are there in the family?
Which of the following statements is/are definitely correct?
How is Y related to X?
If P + Q means ‘Q’ is the brother of ‘P’ P – Q means ‘P’ is the mother of ‘Q’ P × Q means ‘P’ is the father of ‘Q’ P ÷ Q mea...
If ‘A % B’ means ‘A is the daughter of B’, ‘A & B’ means ‘A is the wife of B’, and ‘A # B’ means ‘A is the son of B’, then how i...