Question

chapter 4.2 presenting quantitative data graphically homework survey found that customers do not mind a wait time if it is less than four minutes. from the histogram below determine what percent ____% of customers waited four or more minutes. round answer to two decimal places if needed. histogram of customer waiting times (minutes) your answer:

Explanation:

Step1: Calculate total frequency

Add up all the frequencies in the histogram. $2 + 4+8 + 6+4=24$.

Step2: Calculate frequency of customers who waited 4 or more minutes

Add the frequencies of the intervals starting from 4 minutes. $8 + 6+4 = 18$.

Step3: Calculate the percentage

Use the formula $\text{Percentage}=\frac{\text{Frequency of 4 or more minutes}}{\text{Total frequency}}\times100\%$. So, $\frac{18}{24}\times 100\% = 75.00\%$.

Answer:

75.00