Homework Clinic
Mathematics Clinic => Statistics => Topic started by: waynest on Jan 18, 2020
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Question 1
Conduct a full hypothesis test and determine if the given claim is supported or not supported at the 0.05 significance level. Round all amounts and standard scores to two decimal places.
A poll of 1065 adult Americans reveals that 48% of the voters surveyed prefer the Democratic candidate for the presidency. Test whether the claim that less than half of all voters prefer the Democrat is supported or not supported.
◦ supported
◦ not supported
Question 2
Conduct a full hypothesis test and determine if the given claim is supported or not supported at the 0.05 significance level. Round all amounts and standard scores to two decimal places.
According to a recent poll 53% of Americans would vote for the incumbent president. If a random sample of 100 people results in 25% who would vote for the incumbent, test whether the claim that the actual percentage is different from 53% is supported or not supported.
◦ not supported
◦ supported
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Answer 1
not supported
Answer 2
supported