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An adoption agency compared the cost of the adopting babies from China and Russia (for people...

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An adoption agency compared the cost of the adopting babies fromChina and Russia (for people living in the US). The average cost ofadopting a baby from China was $11,045 with a sample standarddeviation of $535. The average cost of adopting a baby from Russiawas $10,800 with a sample standard deviation of $550. These datawere gathered from two samples of 30 each. Assume the variances ofthe two samples are UNEQUAL. (1 pt.) Write out Ho and Ha to test ifthe average costs are different for the two countries. (1 pt.)calculate the p-value and attach your output sheet printout. (1pt.) Can we reject Ho at the 95% confidence level? . Can we be 95%confident that costs of adoption are different for the twocountries?

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Solutiona The null and alternative hypotheses areb The    See Answer
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