5 An advertisement for a lawn service claims their fertilizer treatment kills weeds in half the time. When you read the small print at the bottom of the ad, you see that they asked 20 of their longterm customers to estimate how long it took until their weeds died out before employing the lawn service. On average, the customers said it took 4 weeks for all the weeds to die before the service. The company knows that their fertilizer treatment can kill weeds in 2 weeks. Why is this advertisement misleading?
Answer
The advertisement is misleading since it uses customers' estimates, instead of objective measurements, to determine the effectiveness of the treatment.
Step 1 ：The average time taken for weeds to die before employing the service is \(4\) weeks.
Step 2 ：The company claims that their fertilizer treatment kills weeds in half the time, which is \(\frac{4}{2} = 2\) weeks.
Step 3 ：The advertisement is misleading since it uses customers' estimates, instead of objective measurements, to determine the effectiveness of the treatment.
