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?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:7) The zombie apocalypse has hit the fair town
of Rukunhatserpxu! 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?
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