The mean amount spent by a family on food per month is $500 with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends more than $410 per month? Plesase show formula and calcuation.

Question

The mean amount spent by a family on food per month is $500 with a standard deviation of $75.  Assuming that the food costs are normally distributed, what is the probability that a family spends more than $410 per month?  Plesase show formula and calcuation.

PsyDAG · Answer

Use that table and the Z score formula again. I hope this helps.