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Author Question: To determine whether a single coin is fair, the coin was tossed 200 times. The observed frequencies ... (Read 174 times)

sarasara

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on: Jun 24, 2018
To determine whether a single coin is fair, the coin was tossed 200 times. The observed frequencies with which each of the two sides of the coin turned up are recorded as 112 heads and 88 tails. Is the coin fair? Use a=.05

Question 2

Removal of uncertainty from a decision-making problem leads to a case referred to as perfect information.
  Indicate whether the statement is true or false


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momolu

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

H0: p1 = .50, p2 = .50 (the coin is fair)
H1: At least one pi is not equal to its specified value (the coin is not fair)
Rejection region: 2 > 2.05,1 = 3.841
Test statistic: 2 = 2.88
Conclusion: Cannot reject the null hypothesis. There is not enough evidence to say the coin is not fair, according to the data.

Answer to Question 2

T


sarasara

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Reply 2 on: Jun 24, 2018
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Gracias!

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