The Federal Reserve System publishes data on family income based on its Survey of Consumer Finances. When the head of the household has a college degree, the mean before-tax family income is $ 84,700. Suppose that 52% of the before-tax family incomes when the head of the household has a college degree are between $74,800 and $94,600 and that these incomes are normally distributed. What is the standard deviation of before-tax family incomes when the head of the household has a college degree

Answer

48% of and the money will be 74,000

Step-by-step explanation:

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

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step-by-step explanation:

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