(5 POINTS) PAGE 10 OF 13 21) ASSUME THAT THE WAITING TIMES FOR CUSTOMERS AT A POPULAR RESTAURANT BEFORE BEING SEATED ARE NORMALLY DISTRIBUTED WITH A MEAN OF 16 MINUTES AND STANDARD DEVIAITON OF 4 MINUTES. A) FIND THE PERCENT OF CUSTOMERS WHO WAIT FOR AT LEAST 14 MINUTES BEFORE BEING SEATED. B) FIND THE PERCENT OF CUSTOMERS WHO WAIT BETWEEN 12 AND 24 MINUTES BEFORE BEING SEATED. C) FIND THE PERCENT OF CUSTOMERS WHO WAIT AT LEAST 21 MINUTES BEFORE BEING SEATED. D) IN A RANDOM SAMPLE OF 1000 CUSTOMERS, HOW MANY WAIT 18 MINUTES OR MORE BEFORE BEING SEATED. E) IN A RANDOM SAMPLE OF 500 CUSTOMERS, HOW MANY WAIT LESS THAN 9 MINUTES BEFORE BEING SEATED.