Question

solve the question no .9 pls

Answer 1

9) i. given,

Total no. of outcomes=200

no. of outcomes of at least two heads = 120 (42+78)

Probability = 120/200 = 12/20 = 3/5

ii. given,

Total no. of outcomes=200

no. of outcomes of three heads = 72

Probability = 72/200 = 36/100 = 18/50 = 9/25

HOPE U UNDERSTAND

PLS MARK IT AS BRAINLIEST

Answer 2

I. probability of getting at least 2 heads

42+78. 120/200. = 3 / 5
_____ =
200

ii. probability of getting all heads
= 42+78+45/ 200
= 165/200
= 31/40