A mandatory competency test for high school sophomores has a normal distribution with a mean of 553 and a standard deviation of 52. The top 3% of students receive a $500 prize. What is the minimum (cutoff) score you would need to receive this award? D 1 #:Question :5] 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 $4093 1 and] the standard deviation is $6,933. If the company plans to target the bottom 18% _ of the families based on income, nd the cutoff income. Assume the variable is I nonmaliy distributed