The researchers team one random time (minutes) food delivery from a pizza shop on weekends, counting names 4.From finished food appear in court by phone as follows:
One team of researchers randomly timer (minutes) to get food delivery from a pizza restaurant in a four-day weekend starting from completion. Property foods phone The results were as follows:
The researchers team one random timer (minutes) has been delivery food from pizza 4 name in the weekend to count.Of the finished under the food by phone. Results appear as follows.