Question
In a sample of 1721 Americans, 1044 indicated that they supported recreational marijuana legalization. You will use this information to test the hypothesis that over
In a sample of 1721 Americans, 1044 indicated that they supported recreational marijuana legalization.You will use this information to test the hypothesis that over half of Americans support recreational marijuana legalization. We will use = .01.
a) What is the sample statistic? Provide notation and value.
b) What is the parameter we are estimating with our sample statistic?
c) Write the null and alternative hypotheses to test that over half of Americans support recreational marijuana legalization.
d) Use the formula for standard error from section 6.1 to find the SE. (Hint: Remember, we calculate SE assuming Ho is true. See pg. 414 in book.)
e) Calculate the Z Test Statistic using the formula from section 6.1.
f) Use StatKey to find the p-value for this Z Test Statistic.
g) Use the p-value from 7f to make a formal decision at = .01.
h) Interpret your decision within the context of the question.
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