t has been reported that 5% of U.S. households don’t own a smart phone, 35% own one smart phone, 40% own 2 smart phones, and 20% own 3 or more smart phones. The smart phone ownership in a random sample of 100 household in the Bronx is summarized in the following table Number of Smart Phone Owned Number of Households ----------------------------------------------------------------------------------------------- 10 30 45 3 or more 15 Determine whether the smart phone ownership in the Bronx differs from the nation.

t has been reported that 5% of U.S. households don’t own a smart phone, 35% own one smart phone, 40% own 2 smart phones, and 20% own 3 or more smart phones. The smart phone ownership in a random sample of 100 household in the Bronx is summarized in the following table Number of Smart Phone Owned Number of Households ----------------------------------------------------------------------------------------------- 10 30 45 3 or more 15 Determine whether the smart phone ownership in the Bronx differs from the nation.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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