A Large National Company Is Considering Negotiating Cellular Phone Rates

A large national company is considering negotiating cellular phone rates for its employees. The Human Resource department would like to estimate the proportion of its employee population who own an Apple iPhone. A random sample of size 250 is taken and 40% of the sample own an iPhone. The 95% confidence interval to estimate the population proportion is ___.

A) 0.35 to 0.45
B) 0.34 to 0.46
C) 0.37 to 0.43
D) 0.39 to 0.41
E) 0.40 to 0.42

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free