Keith’s Florists has 17 delivery trucks, used mainly to deliver flowers and flow
ID: 3390537 • Letter: K
Question
Keith’s Florists has 17 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 17 trucks, 7 have brake problems. A sample of 5 trucks is randomly selected. What is the probability that 2 of those tested have defective brakes? (Round your answer to 4 decimal places.)
Keith’s Florists has 17 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 17 trucks, 7 have brake problems. A sample of 5 trucks is randomly selected. What is the probability that 2 of those tested have defective brakes? (Round your answer to 4 decimal places.)
Explanation / Answer
Keith’s Florists has 17 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 17 trucks, 7 have brake problems. A sample of 5 trucks is randomly selected. What is the probability that 2 of those tested have defective brakes? (Round your answer to 4 decimal places.)
P=7/17=0.4118
n=5
x=2
Binomial probability used.
P( x=2) = 0.3451
Binomial Probabilities
Data
Sample size
5
Probability of an event of interest
0.4118
Statistics
Mean
2.059
Variance
1.2111
Standard deviation
1.1005
Binomial Probabilities Table
X
P(X)
0
0.0704
1
0.2465
2
0.3451
3
0.2416
4
0.0846
5
0.0118
Binomial Probabilities
Data
Sample size
5
Probability of an event of interest
0.4118
Statistics
Mean
2.059
Variance
1.2111
Standard deviation
1.1005
Binomial Probabilities Table
X
P(X)
0
0.0704
1
0.2465
2
0.3451
3
0.2416
4
0.0846
5
0.0118
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.