Question: A travel agency reported that a random sample of 30 couples vacationing in Jamaica for a week spent an average of $2,750 with a sample standard deviation of $100. A random sample of 30 couples vacationing in Bermuda spent an average of $3050 with a standard deviation of $250.

1. What is an appropriate null hypothesis for the difference in the two means?
2. At 90% confidence, what is the test statistic?
3. What is the critical value?
4. What is your conclusion concerning the null hypothesis?

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