Questions
Q4. 4.1. Please draw supply and demand in perfectly competitive market and show the equilibrium 4.2....

Q4.

4.1. Please draw supply and demand in perfectly competitive market and show the equilibrium

4.2. Please draw an individual firm’s demand and supply curve in perfectly competitive market

4.3. Show the impact of new technology such as fracking in your graphs in 4.1. at the market level and   

4.2. at the individual firm level. Explain what happen to the price at the market level and costs at individual firm level.

In: Economics

Condition : . Turner Syndrome (45, XO) in XO individual (compare with typical XX) 1.a) compare...

Condition : . Turner Syndrome (45, XO) in XO individual (compare with typical XX)

1.a) compare what type of gonads develop in the condition you chose versus typical development of individual with the same genotype (sex chromosomes):

1.b) compare what type of internal genitals develop in the condition you chose versus typical development of individual with the same genotype (sex chromosomes):

In: Anatomy and Physiology

Assume that the age at onset of a certain disease is distributed normally with a mean...

Assume that the age at onset of a certain disease is distributed normally with a mean of 43 years and a variance of 177.69 years.

a) What is the probability that an individual afflicted with the disease developed it before age 31?
probability =  

b) What is the probability that an individual afflicted with the disease developed it after age 48?
probability =  

c) What is the probability that an individual afflicted with the disease developed it between ages 31 and 48?
probability =  

In: Math

Hypertension is a common chronic disease among overweighed people. From a survey, 34.6% people who are...

Hypertension is a common chronic disease among overweighed people. From a survey, 34.6% people who are overweighed are suffering from hypertension, in Macau. If a random sample of 200 people in Macau who are overweighed was selected, find the probability that who get hypertension is,

a. exactly 75 in the sample.

b. at most 60 of those in the sample.

c. between 70 and 120, inclusive.

In: Statistics and Probability

It has been reported that men are more likely than women to participate in online auctions.


It has been reported that men are more likely than women to participate in online auctions. A recent study found that 52% of Internet shoppers are women and that 35% of Internet shoppers have participating in online auctions. Moreover, 25% of online shoppers were men and had participated in online auctions.

a) Construct the contingency table below. 

b) Given that an individual participates in online auctions, what is the probability that individual is a man? 

c) Given that an individual participates in online auctions, what is the probability that individual is a woman? 

d) Are gender and participation in online auctions independent? Explain using any two probability calculations based on the contingency table above.

In: Math

5. Consider the following tetrahybrid self-cross: Aa Bb Cc Dd    X    Aa Bb Cc Dd Calculate...

5. Consider the following tetrahybrid self-cross:

Aa Bb Cc Dd    X    Aa Bb Cc Dd

Calculate the probability for each of the following offspring. Show your work.

  1. Genotype Aa BB CC Dd
  1. Heterozygous for ALL FOUR genes
  1. Heterozygous for ANY gene
  1. Dominant phenotype for ALL FOUR traits
  1. GIVEN that an individual offspring has the dominant phenotype for all four traits, what is the probability that individual is heterozygous for all four genes?
  1. GIVEN that an individual offspring has the recessive phenotype for all four traits, what is the probability that individual is homozygous for all four genes?

In: Biology

1, Consider a perfectly competitive market characterized by the following components where Q refers to the...

1, Consider a perfectly competitive market characterized by the following components where Q refers to the entire market output, P refers to the market price, and q refers to an individual firm’s output. Assume that all firms are identical and have the same technological capabilities.

Market Demand; P = 52.5 – 0.30Q / Market Supply; P = 5 + 0.20Q / An Individual Firm’s Total Cost; TC = 64 + 5q + q2

A, Determine the market output, an individual firm’s output, and the number of firms in the short run equilibrium.

B, Determine the market output, an individual firm’s output, and the number of firms in the long run equilibrium.

In: Economics

As song sparrow population density increases, A. the average reproductive success of individual song sparrows tends...

As song sparrow population density increases,

A. the average reproductive success of individual song sparrows tends to increase.

B. the average reproductive success of individual song sparrows tends to decrease.

C. the average reproductive success of individual song sparrows does not change.

D. the average reproductive success of individual song sparrows is unpredictable


Mosquitos have a life history that is near the extreme of

A. r-selection.

B. K-selection.

C. (both)

D. (neither)


During the early and middle twentieth century, there was
A. a sharp increase in human birth rate.
B. a sharp decrease in human death rate.
C. (both)
D. (neither)

In: Biology

a. Draw the graph for the market demand curve for the 3 following demand curves: Individual...

a. Draw the graph for the market demand curve for the 3 following demand curves:

Individual 1: q1=20−P/2

Individual 2: q2=5−P/2

Individual 3: q3=5−P

b. Obtain the consumer surplus for individuals 1, 2, and 3 separately using their individual demand curves for P=$4

c. Add the three consumer surpluses. Then confirm that you get the same answer for CS using the market demand curve you have drawn in part a.

d. Repeat the exercise but now for a price of $8. Which of the three individuals stops buying as a result of this price increase?

In: Economics

Selected financial data for Bahama Bay and Caribbean Key are as follows: ($ in millions) Bahama...

Selected financial data for Bahama Bay and Caribbean Key are as follows:


($ in millions) Bahama Bay Caribbean Key
2018 2017 2018 2017
  Total assets $ 9,883 $ 9,802 $ 9,083 $ 9,122
  Total liabilities 8,172 7,636 7,613 7,603
  Total stockholders’ equity 1,711 2,166 1,470 1,519
  Sales revenue $ 5,997 $ 12,969
  Interest expense 237 181
  Tax expense 85 359
  Net income 347 380

Selected financial data for Bahama Bay and Caribbean Key are as follows:


($ in millions) Bahama Bay Caribbean Key
2018 2017 2018 2017
  Total assets $ 9,883 $ 9,802 $ 9,083 $ 9,122
  Total liabilities 8,172 7,636 7,613 7,603
  Total stockholders’ equity 1,711 2,166 1,470 1,519
  Sales revenue $ 5,997 $ 12,969
  Interest expense 237 181
  Tax expense 85 359
  Net income 347 380

1-a. Calculate the debt to equity ratio for Bahama Bay and Caribbean Key for the most recent year. (Do not round intermediate calculations. Round ratios answers to 1 decimal place. Enter dollar answer in millions. (i.e., $5,500,000 should be entered as 5.5).)  

Debt to Equity Ratio

Bahama Bay =

Caribbean Key =

1-b. Which company has the higher ratio?

Bahama Bay
Caribbean Key

2-a. Calculate the return on assets for Bahama Bay and Caribbean Key. (Do not round intermediate calculations. Round ratios answers to 1 decimal place. Enter dollar answer in millions. (i.e., $5,500,000 should be entered as 5.5).)

Return on Assets Ratio

Bahama Bay=

Caribbean Key=

2-b. Which company appears more profitable?

Bahama Bay
Caribbean Key

3-a. Calculate the times interest earned ratio for Bahama Bay and Caribbean Key. (Do not round intermediate calculations. Round ratios answers to 1 decimal place. Enter dollar answer in millions. (i.e., $5,500,000 should be entered as 5.5).)

Return on Assets Ratio

Bahama Bay=

Caribbean Key=

2-b. Which company appears more profitable?

Bahama Bay
Caribbean Key

3-a. Calculate the times interest earned ratio for Bahama Bay and Caribbean Key. (Do not round intermediate calculations. Round ratios answers to 1 decimal place. Enter dollar answer in millions. (i.e., $5,500,000 should be entered as 5.5).)

Times Interest Earned Ratio

Bahama Bay=

Caribbean Key=

3-b. Which company is better able to meet interest payments as they become due?

Bahama Bay

Caribbean Key

In: Accounting