In: Statistics and Probability
2. Good sleep or bad sleep? ~ A study was conducted to identify the factors affecting quality of sleep for university students. A survey of 290 students of different majors aged 17-29 years old revealed that 67.2% of these students suffered from poor sleep.
Final answer: ( ______________________ , _____________________ )
2(a) The 95% confidence interval for the population proportion is
Note : For 95% confidence , critical value of z is 1.96
(b) We 95% confidence we estimate the population proportion of all college students aged 17-29 is years old who suffer from poor sleep is contained in the interval computed in part(a) -CORRECT
There is 95% chance that the population proportion of all college students aged 17-29 is years old who suffer from poor sleep is contained in the interval computed in part(a) -CORRECT
If this survey were replicated many times , each replication providing a 95% confidence interval for the population proportion of all college students aged 17-29 is years old who suffer from poor sleep, then 95% of the resulting confidence intervals would be expected to capture the population proportion of all college students aged 17-29 is years old who suffer from poor sleep. - CORRECT