subject
Mathematics, 29.07.2019 09:30 econsta3

Last year, a person wrote 134134 checks. let the random variable x represent the number of checks he wrote in one day, and assume that it has a poisson distribution. what is the mean number of checks written per day? what is the standard deviation? what is the variance?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
Bryce drove 200 miles to his grandparents house this is 50 miles more than three times the distance to aunt lance a house what is the distance to hisaunt lance house?
Answers: 1
question
Mathematics, 21.06.2019 16:20
Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test
Answers: 1
question
Mathematics, 21.06.2019 20:00
Find the slope of the line passing through a pair of points
Answers: 2
question
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
You know the right answer?
Last year, a person wrote 134134 checks. let the random variable x represent the number of checks he...
Questions
Questions on the website: 13722367