Answer:
147/150
Step-by-step explanation:
Answer: Our required probability is 0.167.
Step-by-step explanation:
Since we have given that
n = 15
Probability of success p = 80% = 0.8
Probability of failure q = 20% = 0.2
We need to find the probability that at least fourteen will work.
So, by Binomial distribution, we get that
Hence, our required probability is 0.167.
Answer:
13
Step-by-step explanation:
X is most likely used to symbolize a number under twenty but over 10 - but you don't have the question posted