subject
Mathematics, 12.03.2020 18:30 mochoa4

The switchboard in a Minneapolis law office gets an average of 5.5 incoming phone calls during the noon hour on Mondays. Experience shows that the existing staff can handle up to six calls in an hour. Let X = the number of calls received at noon. a. Find the mean and standard deviation of X. b. What is the probability that the office receives at most six calls at noon on Monday?c. Find the probability that the law office receives six calls at noon. What does this mean to the law office staff who get, on average, 5.5 incoming phone calls at noon?d. What is the probability that the office receives more than eight calls at noon?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?
Answers: 2
question
Mathematics, 21.06.2019 20:00
The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square
Answers: 1
question
Mathematics, 21.06.2019 22:20
In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?
Answers: 1
question
Mathematics, 22.06.2019 01:00
Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)
Answers: 1
You know the right answer?
The switchboard in a Minneapolis law office gets an average of 5.5 incoming phone calls during the n...
Questions
question
Mathematics, 17.04.2020 21:14
Questions on the website: 13722367