When the results of experimentation or historical data are used ...

[Pea0909berry]

When the results of experimentation or historical data are used to assign probability values, the method used to assign probabilities is referred to as the _____.
 a. relative frequency method
  b. subjective method
  c. classical method
  d. posterior method

Question 2

The Highway Safety Department wants to study the driving habits of individuals. A sample of 121 cars traveling on the highway revealed an average speed of 60 miles per hour with a standard deviation of 11 miles per hour. Determine a 95 confidence interval estimate for the speed of all cars.

[succesfull]

Answer to Question 1

a

Answer to Question 2

58.04 to 61.96 miles per hour

[Pea0909berry]

Thanks for the timely response, appreciate it

[xiaomengxian]

Great answer, keep it coming