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Nationwide Insurance would like to perform a chi-square test to investigate whether a difference ...

Nationwide Insurance would like to perform a chi-square test to investigate whether a difference exists in the proportion of male and female teenagers who text while they drive. A random sample of 80 male teenagers found that 50 indicated they texted while driving. A random sample of 120 female teenagers found that 65 indicated they texted while driving. The expected frequency of male teenagers who text is ________.

▸ 30

▸ 34

▸ 46

▸ 50

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Business Statistics

Edition: 2^nd

Author: Donnelly

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