2. An advertising company plans to market a product to low-income families. A study states that for a particular area, the mean income per family is $24,596 and the standard deviation is $6,256. Assume the variable is normally distributed. Find the probability that a randomly selected family whose income is; i. Less than $20,000. ii. If the company plans to target the bottom 18% of the families based on income, find the cutoff income.

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