If 30% of the visitors to an ice cream shop have chocolate ice-cream, then what is the probability that 2 out of 3 people who entered the store on Saturday at 5 pm will have chocolate ice-cream?
Option (c)
Probability of a success= 0.3
Probability of a failure= 0.7
Required Probability = 0.3 × 0.3 × 0.7 × 3C1 = 0.189