bank is interested in studying the number of people who use the ATM located outside its office late at night. On average, 1.6 customers walk up to the ATM during any 10 minute interval between 9pm and midnight. a) What is the probability of exactly 3 customers using this ATM during any 10 minute interval? b) What is the probability of 3 or fewer people using this ATM during any 15 minute interval ?

bank is interested in studying the number of people who use the ATM located outside its office late at night. On average, 1.6 customers walk up to the ATM during any 10 minute interval between 9pm and midnight. a) What is the probability of exactly 3 customers using this ATM during any 10 minute interval? b) What is the probability of 3 or fewer people using this ATM during any 15 minute interval ?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

Assume that when adults with smartphones are randomly selected, 46% do not use them in meetings or classes. If 8 adult smartphones users are randomly selected, find the probability that exactly 6 of them use their smartphones in meetings and classes.
Assume that when adults with smartphones are randomly selected, 51% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 57% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that exactly 2 of them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 59% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that exactly 2 of them use their smartphones in meetings or classes. The probability is?
Assume that when adults with smartphones are randomly selected, 43% use them in meetings or classes. If 14 adult smartphone users are randomly selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes. The probability is?
Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 15 adult smartphone users are randomly selected, find the probability that exactly 9 of them use their smartphones in meetings or classes. The probability is (Round to four decimal places as needed.)
Assume that went adults with smartphones are randomly selected, 51% use them in meetings or classes. If 5 adult smartphone users are not randomly selected, find the probability that at least 2 of them use their smartphones in meetings or classes. The probability is
Three students from a 14 student class will be selected to attend a meeting. 9 of the students are female. What is the probability that all three of the students chosen to attend the meeting are female? =
Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes. If 11 adult smartphone users are randomly selected, find the probability that fewer than 4 of them use their smartphones in meetings or classes. The probability is..
Assume that when adults with smartphones are randomly selected , 61% use them in meetings or classes. If 5 adult smartphones users are randomly selected, find the probability that exactly 2 of them use their smartphones in meetings or classes.
Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 77 adult smartphone users are randomly selected, find the probability that exactly 33 of them use their smartphones in meetings or classes. The probability is?