The financial manager of a national warehouse chain has found from previous experience that 55% of clients pay by credit card, 30% pay on account, while the remainder pays using cash. He wishes to know if this is still the case. A random sample of 1000 sales receipts from the last month produced the following results: Payment method Credit card Account Cash Total Number of receipts 525 295 180 1000 Using a 5% significance level, test whether the payment method pattern has changed.
The financial manager of a national warehouse chain has found from previous experience that 55% of clients pay by credit card, 30% pay on account, while the remainder pays using cash. He wishes to know if this is still the case. A random sample of 1000 sales receipts from the last month produced the following results: Payment method Credit card Account Cash Total Number of receipts 525 295 180 1000 Using a 5% significance level, test whether the payment method pattern has changed.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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The financial manager of a national warehouse chain has found from previous experience that 55% of clients pay by credit card, 30% pay on account, while the remainder pays using cash. He wishes to know if this is still the case. A random sample of 1000 sales receipts from the last month produced the following results:
|
Payment method |
|
||
|
Credit card |
Account |
Cash |
Total |
Number of receipts |
525 |
295 |
180 |
1000 |
Using a 5% significance level, test whether the payment method pattern has changed.
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