Lucy, Sam, and Jim sent a total of 75 text messages over their cell phones during the weekend. Lucy sent 5 more messages than Sa
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Given
This is a one-tailed test.
Since the p-value of the sample statistic (0.00383) is less that the significant level (0.025), we reject the null hypothesis.
This is a one-tailed test.
Since the p-value of the sample statistic (0.00383) is less that the significant level (0.025), we reject the null hypothesis.