According to a survey, 15% of city workers take the bus to work. Donatella randomly surveys 10 workers. What is the probability
that exactly 6 workers take the bus to work? Round the answer to the nearest thousandth.
0.001
0.002
0.128
0.900
2 answers:
Answer: 0.001
Step-by-step explanation:
<em>Binomial probability formula :</em>
, <em>where P(x) is the probability of exactly x successes in n trials.</em>
<em />
Given : The probability of city workers take the bus to work =15%=0.15
The sample size :n= 10
Now, the probability that exactly 6 put of 10 workers take the bus to work :-

Therefore , the probability that exactly 6 workers take the bus to work = 0.001
Answer:0.001
x=the number of workers taking the bus to work
p= probability of success =(15/100) = 0.15
q= probability of failure =1- p = 0.85
P(X=6) = 10C6(0.15)^6(0.85)^4
= 0.001
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