IX.Using the 4-Step Method we detailed in class, determine whether to reject or notreject the claim.EPIC Games claims its new game has sold equally in the US, Europe, and China. The number ofsales is below. Using a 10% level of significance, can we accept the claim?USRegion# of SalesEuropeChina145125235 a) State the null and alternate hypothesis.b) Draw a picture of regions of rejection and non-rejection, and find critical value(s).c) Calculate a test statistic.d) Make a decision whether or not to reject the null hypothesis.

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Using the 4-Step Method we detailed in class, determine whether to reject reject the claim. or not

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

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Question

IX.
Using the 4-Step Method we detailed in class, determine whether to reject or not
reject the claim.
EPIC Games claims its new game has sold equally in the US, Europe, and China. The number of
sales is below. Using a 10% level of significance, can we accept the claim?
US
Region
# of Sales
Europe
China
145
125
235

a) State the null and alternate hypothesis.
b) Draw a picture of regions of rejection and non-rejection, and find critical value(s).
c) Calculate a test statistic.
d) Make a decision whether or not to reject the null hypothesis.

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