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The probability distribution for the possible results of an experiment is given, Determine the mean of the distribution.
X P(X)
1 0.100
3 0.300
5 0.425
7 0.175
Round mean to nearest 10th
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Write a paragraph summarizing the results of the analysis and determine whether the calculated values of chi-square are statistically significant
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
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