Step-by-step explanation: (ii) E: at least two heads F : at most two heads (iii) E: at most two tails F: at least one tail Solution: NCERT Solutions Class 12 Maths Chapter 13 Probability Ex 13.1 Q 6 Ex 13.1 Class 12 Maths Question 7. Two coins are tossed once (i) E: tail appears on one coin F: one coin shows head (ii) E: no tail appears F: no head appears. Solution: NCERT Solutions Class 12 Maths Chapter 13 Probability Ex 13.1 Q 7 Ex 13.1 Class 12 Maths Question 8. A die is thrown three times. E: 4 appears on the third toss F: 6 and 5 appears respectively on first two tosses. Solution: Class 12 Maths NCERT Solutions Chapter 13 Probability Ex 13.1 Q 8 Ex 13.1 Class 12 Maths Question 9. Mother, father and son line up at random for a family picture: E: son on one end, F: father in middle Solution: Class 12 Maths NCERT Solutions Chapter 13 Probability Ex 13.1 Q 9 Ex 13.1 Class Reply

Step-by-step explanation:(ii) E: at least two heads F : at most two heads

(iii) E: at most two tails F: at least one tail

Solution:

NCERT Solutions Class 12 Maths Chapter 13 Probability Ex 13.1 Q 6

Ex 13.1 Class 12 Maths Question 7.

Two coins are tossed once

(i) E: tail appears on one coin F: one coin shows head

(ii) E: no tail appears F: no head appears.

Solution:

NCERT Solutions Class 12 Maths Chapter 13 Probability Ex 13.1 Q 7

Ex 13.1 Class 12 Maths Question 8.

A die is thrown three times.

E: 4 appears on the third toss

F: 6 and 5 appears respectively on first two tosses.

Solution:

Class 12 Maths NCERT Solutions Chapter 13 Probability Ex 13.1 Q 8

Ex 13.1 Class 12 Maths Question 9.

Mother, father and son line up at random for a family picture:

E: son on one end, F: father in middle

Solution:

Class 12 Maths NCERT Solutions Chapter 13 Probability Ex 13.1 Q 9

Ex 13.1 Class