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Dmitry suspects that his friend is using a weighted die for board games. To test his...

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Basic Math

Dmitry suspects that his friend is using a weighted die forboard games. To test his theory, he wants to see whether theproportion of odd numbers is different from 50%. He rolled the die40 times and got an odd number 14 times.

Dmitry conducts a one-proportion hypothesis test at the 5%significance level, to test whether the true proportion of odds isdifferent from 50%

(a) H0:p=0.5H0:p=0.5; Ha:p?0.5Ha:p?0.5, which is atwo-tailed test.

(b) Use Excel to test whether the true proportion of odds isdifferent from 50% Identify the test statistic, z, and p-value fromthe Excel output, rounding to three decimal places.

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Let p denotes the    See Answer
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