2. hypotheses and parameters as in exercise 1, for each of
the following situations, define th...
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Mathematics, 22.01.2020 01:31 gracieisweird12
2. hypotheses and parameters as in exercise 1, for each of
the following situations, define the parameter and write the
null and alternative hypotheses in terms of parameter values.
a) seat-belt compliance in massachusetts was 65% in
2008. the state wants to know if it has changed.
b) last year, a survey found that 45% of the employees
were willing to pay for on-site day care. the company
wants to know if that has changed.
c) regular card customers have a default rate of 6.7%.
a credit card bank wants to know if that rate is
different for their gold card customers.
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Answers: 3
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