A Sample of 1,400 American Households Was Asked If They

Multiple Choice

A sample of 1,400 American households was asked if they planned to buy a new car next year.Of the respondents,34% indicated they planned to buy a new car next year.Construct a 90% confidence interval of the proportion of American households who expect to buy a new car next year.

A) [0.3152,0.3648]
B) [0.3191,0.3609]
C) [0.3394,0.3406]
D) [0.3354,0.3446]