You are conducting a hypothesis test at the 0.05 alpha level for the claim that a coin is fair. In other words, the coin is equally likely to land heads as it is tails. The table below shows how the coin landed after many flips. Category How coin landed Observed Frequency Heads 70 Tails 60 Report all answers accurate to two decimal places. What is the chi-square test-statistic for this data?  χ2=χ2=  What are the degrees of freedom for this test? d.f.=  What is the p-value for this sample?  p-value =

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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You are conducting a hypothesis test at the 0.05 alpha level for the claim that a coin is fair. In other words, the coin is equally likely to land heads as it is tails. The table below shows how the coin landed after many flips.

Category

How coin landed

Observed
Frequency
Heads 70
Tails 60

Report all answers accurate to two decimal places.

What is the chi-square test-statistic for this data? 
χ2=χ2= 

What are the degrees of freedom for this test?
d.f.

What is the p-value for this sample? 
p-value = 

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