Question

A survey of 200 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. Suppose that based on the survey, 110 of the 200 students responded "yes." a) What is the value of the sample proportion p?? b) What is the standard error of the sample proportion? c) Construct an approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion. a) p? = .55 b) The standard error of the sample proportion is 0.035. c) The approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion is ( , ).

          A survey of 200 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. Suppose that based on the survey, 110 of the 200 students responded "yes."

a) What is the value of the sample proportion p??
b) What is the standard error of the sample proportion?
c) Construct an approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion.

a) p? = .55

b) The standard error of the sample proportion is 0.035.

c) The approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion is ( , ).

A survey of 200 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. Suppose that based on the survey, 110 of the 200 students responded "yes."

a) What is the value of the sample proportion p??
b) What is the standard error of the sample proportion?
c) Construct an approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion.

a) p? = .55

b) The standard error of the sample proportion is 0.035.

c) The approximate 95% confidence interval for the true proportion p by taking ± 2 SEs from the sample proportion is ( , ).

Added by Philip G.

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