[Solution] USA Today reported (Sandra Block, "Costs rising, so tame credit card bills now," October 18,2005) that the average credit card debt per U.S.
Question: USA Today reported (Sandra Block, "Costs rising, so tame credit card bills now," October 18,2005 ) that the average credit card debt per U.S. household was $9,312 in 2004 . Assume that the distribution of credit card debt per household has a normal distribution with a standard deviation of $3,000.
- Determine the percentage of households that have a credit card debt of more than $15,000.
- One household has a credit card debt that is at the 95th percentile. Determine its credit card debt.
- If four households were selected at random, determine the probability that at least half of them would have credit card debt of more than $15,000.
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![[See Steps] A regional U.S. commercial bank](/images/solutions/MC-solution-library-60600.jpg "[See Steps] A regional U.S. commercial bank issues both Vis. credit")
[See Steps] A regional U.S. commercial bank issues both Vis. credit
![[Solution] The service time at an automobile](/images/solutions/MC-solution-library-60601.jpg "[Solution] The service time at an automobile center has a Lognormal")
[Solution] The service time at an automobile center has a Lognormal
Solution: A service station will be supplied with gasoline once
(See Steps) Given the region defined at the right, where y^2=x^3,
(See Steps) Given the region defined at the right, where y^2=x^3,
The Domain and Range of a Function - MathCracker.com