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The Georgetown, South Carolina, Traffic Division reported 40% of high-speed chases involving automobiles result in a minor or major accident.

The Georgetown, South Carolina, Traffic Division reported 40% of high-speed chases involving automobiles result in a minor or major accident. During a month in which 50 high-speed chases occur, what is the probability that 25 or more will result in a minor or major accident? (Use the normal approximation to the binomial distribution. Round z-score computation to 2 decimal places and your final answer to 4 decimal places.)

 
  Probability



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Best solution... The mean of a binomial disitribution is n*p and its standard deviation is n*p*(1-p), where n is the... View the full answer

Hi....Please find the... View the full answer

Solution.docx

Given that: n 50 and p 0.4 Use Binomial distribution to find the mean and standard deviation.
Mean np 50 0.4 20
Standard deviation npq 50 0.4 1 0.4 50 0.4 0.6 12 3.4641 Rounding 2 decimal place...

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