Sun 14 Apr, 2019 11:56 am - In a survey of 2383 U.S. adults, 1073 think that there should be more government
regulation of oil companies.
(a) Construct a 95% confidence interval for the population proportion p of U.S.... (view)
Sun 14 Apr, 2019 11:37 am - In a random sample of 20 people, the mean tip that they said they would leave after a
$30 meal was X bar = $3.75 and the standard deviation was s = $0.50. Assuming that
tips are normally... (view)
