Question
Over half of all American teens (ages 12 to 17 years) have an online profile, mainly on Facebook. A random sample of 527 teens with
Over half of all American teens (ages 12 to 17 years) have an online profile, mainly on Facebook. A random sample of 527 teens with profiles found that 342 included photos of themselves.
(a) Give the 96% large-sample confidence interval for the proportion p of all teens with profiles who include photos of themselves.
Large-sample Interval: __________ to __________
(b) Give the plus four 96% confidence interval for p . (The plus-four interval always pulls the results away from 0% or 100%, whichever is closer. Even though the condition for using the large-sample interval is met, the plus four interval is more trustworthy.)
Plus four Interval: __________ to __________
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started