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QUESTION
The credit card debt of college seniors follows a normal distribution with mean $3,262 and standard deviation $1100. Show your work or calculator...
The credit card debt of college seniors follows a normal distribution with mean $3,262 and standard deviation $1100. Show your work or calculator commands to answer the following questions.
What percent of college seniors owe less than $2000 to credit card companies?Ninety percent of college seniors owe less than what amount of debt to credit card companies? What is the probability that a randomly selected college senior owes more than $4200 to credit card companies?For a random sample of 25 college seniors, what is the probability that their sample mean credit card debt is more than $4200?____________________________________
Determine if any of the probabilities you found in parts C) and D) is an unusual probability. Justify your answer._____________________________________
