the following histogram displays data from a cable repair companys in - home service calls. the technicians…

the following histogram displays data from a cable repair companys in - home service calls. the technicians were asked to record how long each visit took. approximately what percentage of service calls lasted at least 120 minutes? round you answer to the nearest percent.

the following histogram displays data from a cable repair companys in - home service calls. the technicians were asked to record how long each visit took. approximately what percentage of service calls lasted at least 120 minutes? round you answer to the nearest percent.

Answer

Explanation:

Step1: Calculate total frequency

$16 + 32+15 + 22+24 + 21=130$

Step2: Calculate frequency of calls lasting at least 120 minutes

$24 + 21=45$

Step3: Calculate percentage

$\frac{45}{130}\times100\approx 35%$

Answer:

35%