A Type I error in the context of this study occurs if the city council a. Finds
Question:
A Type I error in the context of this study occurs if the city council
a. Finds convincing evidence that a majority of residents supports the tax increase, when in reality there isn’t convincing evidence that a majority supports the increase.
b. Finds convincing evidence that a majority of residents supports the tax increase, when in reality at most 50% of city residents support the increase.
c. Finds convincing evidence that a majority of residents supports the tax increase, when in reality more than 50% of city residents do support the increase.
d. Does not find convincing evidence that a majority of residents supports the tax increase, when in reality more than 50% of city residents do support the increase.
e. Does not find convincing evidence that a majority of residents supports the tax increase, when in reality at most 50% of city residents do support the increase.
Members of the city council want to know if a majority of city residents supports a 1% increase in the sales tax to fund road repairs. To investigate, they survey a random sample of 300 city residents and use the results to test the following hypotheses:
H0: p=0.50
Ha: p>0.50
where p is the proportion of all city residents who support a 1% increase in the sales tax to fund road repairs.
Select the best answer.
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