an adversity company plans to market a product to low income familiess. A study states that per a particular area the mean income per family is $34,569 and s.d is 72561. If the company plans to target the bottom 18% of the families based on income . Find the cut off income .

Question

an adversity company plans to market a product to low income familiess. A study states that per a particular area the mean income  per family is $34,569 and s.d is 72561. If the company plans to target the bottom 18% of the families based on income . Find the cut off income .

anonymous · Answer

inverse norm of the percent and plu into the z score equation