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Mathematics, 20.04.2021 22:40 s1969965
In 2006, a sample of 200 in-store shoppers showed that 42 paid by debit card. In 2009, a sample of the same size showed that 80 paid by debit card. (a) Formulate appropriate hypotheses to test whether the percentage of debit card shoppers increased. (b) Carry out the test at alpha
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In 2006, a sample of 200 in-store shoppers showed that 42 paid by debit card. In 2009, a sample of t...
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