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Answer:
<em>The first step is to determine the average </em>
<em>The exercise says it’s a normal distribution: (n=8)</em>
<em>According to the exercise, the mean is equal to 0,5 then the value of t of the distribution can be obtained </em>
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<em>The variable t has 7 grade to liberty, we calculate the p-value as: </em>
This value is very high, therefore the hypothesis is not rejected