In a poll, 315 of 1050 randomly selected adults aged 18 or older stated that the

Question

In a poll, 315 of 1050 randomly selected adults aged 18 or older stated that they believe there is too little spending on national defense. Use the information above to answer the following questions (a) Obtain a point estimate for the proportion of adults aged 18 or older who feel there is too little spending on national defense (Round to two decimal places as needed ) (b) Verity that the requirements for constructing a confidence interval about p are satisfied. Are the requirements for constructing a e interval about p satisfied? No Yes Construct a 95% confidence interval for the proportion of adults aged 18 or older who believe there is too little spending on national defense c Use ascending order. Round to three decimal places as needed) Interpret the interval We are95% confident that the interval actually does not contain the value of p we are95% confident that the interval actually does contain the true value of p. OA e OB Click to select your answer(s)

Explanation / Answer

a) Point estimate = 315/1050 = 0.30

b) Yes

c) 95% confidence interval: (0.272, 0.328)

Interpretation: Option B is correct.

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