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Author Question: In an American criminal trial, the null hypothesis is that the defendant is innocent and the ... (Read 263 times)

serike

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on: Jul 24, 2018
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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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

65 mph


serike

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

recede

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Reply 3 on: Yesterday
Wow, this really help

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