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A manager at a Credit Union claims that the average total weekend withdrawal from a cash machine is $7,500. Head office is concerned that this
A manager at a Credit Union claims that the average total weekend withdrawal from a cash machine is $7,500. Head office is concerned that this estimate is too low. A random sample of total withdrawals on 36 weekends resulted in a sample mean of $8,600 and sample standard deviation of $3,700. At a 1% level of significance, can you conclude the average withdrawal should be greater than $7,500?
a) Properly state the hypotheses:
b) Calculate the p-value:
c) Conclusion
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