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##### [solution] » Stats Club conducted an online poll of 300 adults in August 2016.

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Stats Club conducted an online poll of 300 adults in August 2016.
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Stats Club conducted an online poll of 300 adults in August 2016. One question was ?Do you agree that US should have more gun control laws??. 120 adults answered ?Yes?.

1.  (2 pts) Find a 95% confidence interval estimate of population proportion of adults who support more gun control laws. (Explain how you get the critical value, show work and round the answer to three decimal places)

2.  (5 pts) In a similar online poll conducted in 2012, 35% of adults supported more gun control laws. In order to determine if the proportion of adults who support more gun control laws in 2016 is higher than 4 years ago, we would like to perform the following hypothesis test:

Ho: p=0.35

Ha: p>0.35

(a) (2 pts) Find the test statistic. (Show work and round the answer to two decimal places)

(b) (2 pts) Determine the P-value for this test.  (Show work and round the answer to three decimal places. If you use technology to find the P-value, you have to describe the steps)

(c) (1 pt) Is there sufficient evidence to justify the rejection of  at the level? Explain.

Stats Club conducted an online poll of 300 adults in August 2016. One question was ?Do you

agree that US should have more gun control laws??. 120 adults answered ?Yes?.

1. (2 pts) Find a...

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This question was answered on: Feb 21, 2020

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