ul we still be able to conduct pouleses in question 4? If yes, what might need t
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ul we still be able to conduct pouleses in question 4? If yes, what might need to change? If not, why not? Cool-Down: Errors and Power Computation Maize and Blue Marbles: Cory is going to play the game What is in the Box? He will win season tickets to the Red Wings if he can correctly identify the contents of a box (which he cannot see). There are two possibilities for the box contents Ho: The box contains eight red marbles and four white marbles. H,i The box contains two red marbles and ten white marbles. Cory will select one marble from the box without looking. He must make his decision based on the color of that one selected marble. He has picked the following decision rule to use Reject Ho if the observed color of the selected marble is WHITE. It may help to make a quick visual picture of these two boxes For this situation, what is the probability of incorrectly rejecting Ho? 2/12 Which of the following terms is appropriate for the probability described in part (a)? Type I error For this situation, what is the probability of incorrectly failing to reject Ho? 2/12 Which of the following terms is appropriate for the probability described in part (c)? Type I error a. 4/12 10/12 b. Type II error Power c. 4/12 10/12 d. Type II error Power e. For this situation, what is the power? 2/12 4/12 10/12 Lab Workbook Page 40Explanation / Answer
a ) 4/12 (as there are 4 white marbles out of 12)
b) type I error
c) 2/12 (As thre are 2 red marble out of 12 in other box)
d) type II error
e) power =1-type II error =1-2/12 =10/12
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