7) The zombie apocalypse has hit the fair town of Rukunhatsernxu! It is known that within a city block of our august town, the number of zombies is normally distributed with a mean of 100 zombies and a standard deviation of 20 zombies. What is the probability that within a city block the number of zombies is between 75 and 125? What is the probability that at least 70 zombies can be found on a given block? What is the probability that fewer than 85 zombies can be found on a given block?
7) The zombie apocalypse has hit the fair town of Rukunhatsernxu! It is known that within a city block of our august town, the number of zombies is normally distributed with a mean of 100 zombies and a standard deviation of 20 zombies. What is the probability that within a city block the number of zombies is between 75 and 125? What is the probability that at least 70 zombies can be found on a given block? What is the probability that fewer than 85 zombies can be found on a given block?
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...
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