The mean household income for a certain state is $69,000 with a standard deviation of $10,000. Assuming a normal distribution, about 95% of all households have an income over what amount?
A.$49,000
B. 52,551
C. 60,000
D. 85,449
E.$89,000
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Home » Mathematics » The mean household income for a certain state is $69,000 with a standard deviation of $10,000. Assuming a normal distribution, about 95% of all households have an income over what amount? A.$49,000 B. 52,551 C. 60,000 D. 85,449 E.$89,000