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Author Question: A survey of 400 non-fatal accidents showed that 197 involved faulty equipment. Find a point estimate ... (Read 85 times)

casperchen82

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on: Jul 25, 2018
A survey of 400 non-fatal accidents showed that 197 involved faulty equipment. Find a point estimate for p, the population proportion of accidents that involved faulty equipment.
 
  A) 0.330 B) 0.493 C) 0.508 D) 0.970

Question 2

The number of violent crimes committed in a day possesses a distribution with a mean of 1.2 crimes per day and a standard deviation of four crimes per day.
 
  A random sample of 130 days was observed, and the sample mean number of crimes for the sample was calculated. The data that was collected in this experiment could be measured with a __________ random variable.
  A) discrete B) continuous


ynlevi

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Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

A


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