Question

Based on data collected in 2010, 23% of women wanted to buy google android smart phone or tablet. among men 33% were interested in an android purchase. The survey contacted 240 woman and 265 men. conduct a hypothesis test to determine if the proportion of men versus women who are interested in an android purchase is greater than 4%.

A) What type of confidence interval is this?

B) Create a 90% confidence interval to describe the difference in proportion of interest for men vs. women.

	Men	Women
N
P interested
Sample p difference
SE
90% z multiple
Lower limit Upper limit

C) State the confidence interval. Can we say that one gender has a higher interest than the other ?

Answer 1