A population has the following characteristics.(a) A total of 25% of the population survives the first year. Of that 25%, 75% survives the second year. The maximum lifespan is 3 years.(b) The average number of offspring for each member of the population is 2 the first year, 4 the second year, and 2 thethird year.The population now consists of 128 members in each of the three age classes. How many members will there be in each age classin 1 year?0 s age s 11s ages 22 s ages 3In0 s age s 11 s age s 22 s ages 3Need Help?2 years?Read It

Given, Total of 25% of the population survives the first year. of that 25%, 75% survives the second…

Answered: A population has the following…

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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Vital Statistics for US in one year: k=10,000 Population: 285,318,000 Deaths: 2,416,000 Live Births: 4,026,000 Deaths of infants under 1 year of age: 27,500 Deaths of infants under 28 days of age: 18,000 Motor Vehicle Deaths: 43,900 Women aged 15-44: 61,811,000 Fetuses delivered w/o life after 20 weeks of gestation: 39,900 Coronavirus infected persons: 900,000 Deaths from Coronavirus: 17,402 Given the Vital Statistics above, calculate the Coronavirus Mortality Rate for Coronavirus- Infected Person. Edit View Insert Format Tools Table 12pt x Paragraph v B T U A v
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Vital Statistics for US in one year: k=10,000 Population: 285,318,000 Deaths: 2,416,000 Live Births: 4,026,000 Deaths of infants under 1 year of age: 27,500 Deaths of infants under 28 days of age: 18,000 Motor Vehicle Deaths: 43,900 Women aged 15-44: 61,811,000 Fetuses delivered w/o life after 20 weeks of gestation: 39,900 FLU infected persons: 900,000 Deaths from Flu: 17,402 Given the Vital Statistics above, find the general fertility rate. Edit View Insert Format Tools Table 12pt Paragraph BIU AT2 聞く # V くく
The table shows the leading causes of death in a certain country in a recent year. The population of the country was 311311 million. If you lived in a typical city of 500,000, how many people would you expect to die of cancercancer each year? Cause Deaths Cause Deaths Heart disease 596 comma 700596,700 Alzheimer's disease 84 comma 90084,900 Cancer 575 comma 300575,300 Diabetes 73 comma 40073,400 Chronic respiratory diseases 143 comma 100143,100 Pneumonia/Influenza 53 comma 40053,400 Stroke 128 comma 600128,600 Kidney disease 45 comma 30045,300 Accidents 122 comma 500122,500 Suicide 38 comma 60038,600 About people would be expected to die of cancer each year. (Type a whole number. Round to the nearest person as needed.)
Suppose the entire cola industry produces only two colas. Given that a person last purchased cola 1, there a 70% chance that her next purchase will be cola 1. Given that a person last purchased cola 2, there is an 75% chance that her next purchase will be cola 2. Suppose that each customer makes one purchase of cola during any week (52 weeks=1 year). Suppose there are 150 million customers. One selling unit of cola costs the company $0.5 to produce and is sold for $2. For $200 million per year, Britney Spears (by an advertising song) guarantees to decrease from 30% to 15% the fraction of cola 1 customers who switch to cola 2 after a purchase. Should the company that makes cola 1 hire Britney Spears?
A building contains 1000 lightbulbs. Each bulb lasts at most five months. The company maintaining the building is trying to decide whether it is worthwhile to practice a “group replacement” policy. Under a group replacement policy, all bulbs are replaced every T months (where T is to be determined). Also, bulbs are replaced when they burn out. Assume that it costs $0.05 to replace each bulb during a group replacement and $0.20 to replace each burned-out bulb if it is replaced individually. How would you use simulation to determine whether a group replacement policy is worthwhile?
An electronics company produces transistors, resistors, and computer chips. Each transistor requires 3 units of copper, 1 unit of zinc, and 2 units of glass. Each resistor requires 3, 2, and 1 units of the three materials, and each computer chip requires 2, 1, and 2 units of these materials, respectively. How many of each product can be made with the following amounts of materials? Complete parts (a) through (c) below. (a) Let x represent the number of transistors that can be made, y the number of resistors, and z the number of computer chips. Write a system of three linear equations when the amounts of available materials are 775 units of copper, 385 units of zinc, and 470 units of glass. Choose the correct answer below. A. 3x + 3y + 2z = 385 x+2y+z=775 2x+y + 2z = 470 O C. 3x + 3y + 2z = 775 x + 2y + z = 385 2x+y + 2z = 470 The company can make 6 transistors, 2 resistors, and 3 computer chips. (b) 770 units of copper, 380 units of zinc, and 490 units of glass The company can make…
_) Jane bakes sourdough loaves, which are full of gluten. Unfortunately, John is allergic to gluten and wants to bake gluten-free loaves. John does not have their own “starter” (a mix of yeast, flour, and water that makes a loaf rise in the oven). Jane's starter is 50g of water and 50g of flour with gluten, and a microscopic amount of yeast that we will ignore. Jane gives John 50g of her starter. For John's first loaf, they replace the missing half of their starter with 25 g of gluten-free flour and 25g of water. This means their starter is now 25g of gluten-free flour, 25g of flour with gluten, and 50g of water. Once the yeast in this starter is fully activated, John is ready to make their first loaf. To bake the loaf they mix 50 g (half) of the starter with 225g of gluten-free flour and 225g of water, meaning the loaf is always
stüdentS (3) The population is classified by their economic status: poor, middle-class and rich. Every year, people moving up and down the economic ladder according to From: To: рoor middle-class rich 0.9 0.05 0.05 рor middle-class 0.1 0.8 0.1 rich 0.02 0.02 0.96 In year 2011, a 100-family town is made up of 30 poor, 40 middle-class and 30 rich families, a. what will be the makeup of this town in year 2012? b. what will be the makeup of this town in year 2015? c. what was the makeup of this town in year 2010?
An interdepartmental task force is being formed to investigate an increase in violent crimes. 1/5 of the task force will be police officers from the local precinct. 1/4 will be ATF agents, and the remaining 22 will be from the FBI. How many people are participating in the task force?
Vital Statistics for US in one year: k=10,000 Population: 285,318,000 Deaths: 2,416,000 Live Births: 4,026,000 Deaths of infants under 1 year of age: 27,500 Deaths of infants under 28 days of age: 18,000 Deaths from HIV Infection: 43,900 Women aged 15-44: 61,811,000 Fetuses delivered w/o life after 20 weeks of gestation: 39,900 HIV infected persons: 900,000 Deaths from HIV: 17,402 Given the vital statistics above, find the HIV incidence rate.
wawb grutsgrad Beorge cit OXOL VW 5 batay ow! doily Howing GL CELLAM? Csberic y = vol od or assovo odl 1 + 11) Foxes were introduced to an area that did not naturally contain them. Based on other similar areas, the carrying capacity for this area is 130 foxes. The number of foxes was said to reach 65 (half the carrying capacity) in 38 years (which is C). Using this information and a value of B = -2.3, estimate the number of foxes in 54 years. Round to the nearest whole number. labour ho avus iedW A (1) do bas avode diger sit (0) В

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