In a study entitled How Undergraduate Students Use Credit Cards, Sallie Mae reported that undergraduate students have a mean credit card balance of $3489. This gure was an alltime high and had increased 48% over the previous five years. Assume that a current study is being conducted to determine if it can be concluded that the mean credit card balance for undergraduate students has continued to increase compared to the April 2009 report. Based on previous studies, use a population standard deviation 0' = $900. a. State the null and alternative hypotheses. Ho: _ 3333 H _ 3333 b. What is the pvalue for a sample of 120 undergraduate students with a sample mean credit card balance of $3643? If your answer is zero enter "0". 2 value (to 2 decimals) pvalue (to 4 decimals) c. Using a 0.10 level of significance, what is your conclusion? - Select your answer - 3 Conclude that student mean credit card debt is than $3489