Question

In a random sample in 2012 of 1,143 teenagers, 43.2% consumed 5 or more servings of fruits and vegetables a day. What would be the LOWER bound of a 99% confidence interval for the true proportion of adolescents that consumed 5 or more servings of fruits and vegetables a day.

a) 1143

b) 43.2

c) 5

d) 0.39

e) 0.47

Continuation of previous problem: what is the UPPER bound of a 99% confidence interval for the true proportion of adolescents that consumed 5 or more servings of fruits and vegetables a day.

a) 1143

b) 43.2

c) more than 5

d) 0.39

e) 0.47

Continuation of previous problem: Interpret the 99% confidence interval for the true proportion of adolescents.

a) With 99% probability, the true proportion of adolescents that consumed 5 or more servings of fruits and vegetables a day is between 0.39 and 0.47

b) With 99% confidence, the true proportion of adolescents that consumed 5 or more servings of fruits and vegetables a day is between 0.39 and 0.47

c) With 99% probability, the true proportion of adolescents that consumed 5 or more servings of fruits and vegetables a day is between 5 and 1143

d) With 99% confidence, the true proportion of adolescents that consumed 5 or more servings of fruits and vegetables a day is between 5 and 1143

e) With 99% probability the true proportion is 0.432

Answer 1