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Author Question: In an American criminal trial, the null hypothesis is that the defendant is innocent and the ... (Read 90 times)

serike

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In an American criminal trial, the null hypothesis is that the defendant is innocent and the alternative hypothesis is that the defendant is guilty. Which of the following describes a Type 2 error for a criminal trial?
 a. A guilty verdict for a person who is innocent.
  b. A guilty verdict for a person who is not innocent.
  c. A not guilty verdict for a person who is guilty
  d. A not guilty verdict for a person who is innocent

Question 2

Suppose on a highway with a speed limit of 65 mph, the speed of cars are independent and normally distributed with an average speed = 65 mph and standard deviation = 5 mph. What is the expected value of the sample mean speed in a random sample of n = 10 cars?



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Mollythedog

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Answer to Question 1

C

Answer to Question 2

65 mph




serike

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Reply 2 on: Jul 24, 2018
Gracias!


tkempin

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Reply 3 on: Yesterday
Wow, this really help

 

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