NDA2022MathematicsProbabilityActual
The probability that a person hits a target is 0 5 . What is the probability of at least one hit in 4 shots?
Options
- A1 8
- B1 16
- C15 16
- D7 8
Correct answer
C. 15 16
Step-by-step solution
aligned & n=4, P=0.5, q=1-0.5=0.5 & P(x 1)=1-P(x=0)=1-(0.5)^4 & =1- 1 16 = 15 16 aligned