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

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