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 $ 84,500. suppose that 60% of the before-tax family incomes when the head of the household has a college degree are between $74,700 and $94,300 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: rolling a number cube and flipping a coin.

step-by-step explanation:

this excerpt is taken from the book “we shall not be moved : the women’s factory strike of 1909 “ and is written by joan dash. it is the story of the great strike when almost 30thousand women working in factories in america formed a union to fight unsafe working conditions, long working hours and miserable wages.

question: which best states the author’s purpose for including this information in the text?

answer: to challenge the reader’s ideas about a historical event

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