A group of survivors on a supply run has returned to their base camp with a population of 2000. Two of them were bitten by zombies but didn’t tell anyone. If it is assumed that the rate at which the virus spreads is proportional not only to the number x of infected people but also to the number of people not infected, determine the number of infected residents after 14 days if it is further observed that after 6 days, 50 residents got infected. Which of the following statements is TRUE about the logistic growth model? Select one: a. The model predicts a growth pattern that is unbounded. b. The value of k first rises, plateaus and then falls. c. The value of k changes over time. d. The model predicts a growth pattern that is bounded at some time t. What is the time at which half of the population will become infected if nothing is done? Select one: a. 28.71 days b. 21.78 days c. 27.18 days d. 18.72 days e. 12.78 days f. 17.28 days How many people will be NOT be infected after 2 weeks if nothing is done? Select one: a. 681 b. 816 c. 186 d. 168 e. 618 f. 861 A rescue helicopter saved 40 survivors. How long did they have to survive? Select one: a. 20 days b. 16 days c. 15 days d. 17 days e. 18 days f. 19 days
A group of survivors on a supply run has returned to their base camp with a population of 2000. Two of them were bitten by zombies but didn’t tell anyone. If it is assumed that the rate at which the virus spreads is proportional not only to the number x of infected people but also to the number of people not infected, determine the number of infected residents after 14 days if it is further observed that after 6 days, 50 residents got infected. Which of the following statements is TRUE about the logistic growth model? Select one: a. The model predicts a growth pattern that is unbounded. b. The value of k first rises, plateaus and then falls. c. The value of k changes over time. d. The model predicts a growth pattern that is bounded at some time t. What is the time at which half of the population will become infected if nothing is done? Select one: a. 28.71 days b. 21.78 days c. 27.18 days d. 18.72 days e. 12.78 days f. 17.28 days How many people will be NOT be infected after 2 weeks if nothing is done? Select one: a. 681 b. 816 c. 186 d. 168 e. 618 f. 861 A rescue helicopter saved 40 survivors. How long did they have to survive? Select one: a. 20 days b. 16 days c. 15 days d. 17 days e. 18 days f. 19 days
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
A group of survivors on a supply run has returned to their base camp with a population of 2000. Two of them were bitten by zombies but didn’t tell anyone. If it is assumed that the rate at which the virus spreads is proportional not only to the number x of infected people but also to the number of people not infected, determine the number of infected residents after 14 days if it is further observed that after 6 days, 50 residents got infected.
Which of the following statements is TRUE about the logistic growth model?
Select one:
a. The model predicts a growth pattern that is unbounded.
b. The value of k first rises, plateaus and then falls.
c. The value of k changes over time.
d. The model predicts a growth pattern that is bounded at some time t.
What is the time at which half of the population will become infected if nothing is done?
Select one:
a. 28.71 days
b. 21.78 days
c. 27.18 days
d. 18.72 days
e. 12.78 days
f. 17.28 days
How many people will be NOT be infected after 2 weeks if nothing is done?
Select one:
a. 681
b. 816
c. 186
d. 168
e. 618
f. 861
A rescue helicopter saved 40 survivors. How long did they have to survive?
Select one:
a. 20 days
b. 16 days
c. 15 days
d. 17 days
e. 18 days
f. 19 days
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