subject
Mathematics, 14.12.2020 18:30 austin8535

During the holiday season, the number of letters a post office received per day had an approximately normal distribution with a mean of 20,000 and a standard deviation of 400. What proportion of days have more than 20,500 letters?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet
Answers: 1
question
Mathematics, 21.06.2019 19:30
Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.
Answers: 2
question
Mathematics, 21.06.2019 19:30
Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row
Answers: 3
question
Mathematics, 21.06.2019 21:30
If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.
Answers: 1
You know the right answer?
During the holiday season, the number of letters a post office received per day had an approximately...
Questions
question
Computers and Technology, 06.11.2020 20:20
question
Mathematics, 06.11.2020 20:20
question
Physics, 06.11.2020 20:20
question
History, 06.11.2020 20:20
Questions on the website: 13722363