A 27-years old female presents to the Emergency Department of a local Hospital. She has a cough and complains of shortness of breath. An elevate temperature is noted along increased pulse rate. She states that her daughter had stayed home from school for the past few days and was diagnosed with an upper respiratory viral infection: a) What is the chief complaint? b) What I the etiology of her chief complaint? c) What follow-up questions would you ask about chief complaint? d) Are there any possible routes of transmission involved? Which one(s)? e) What would you do to keep from spreading this infection to other patients?

1.The specific rotation, [α]_D, for (-)-malic acid is -27. What is the observed rotation for a solution of 0.50 g of (-)-malic acid in 10 mL of water in a sample tube having a pathlength of 10 cm?

B) The observed rotation of a solution of 1.3 g of a compound in 10 mL of water is +11 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound?

2. The specific rotation, [α]_D, for (-)-2-butanol is +14. What is the observed rotation for a solution of 3.3 g of (-)-2-butanol in 10 mL of water in a sample tube having a pathlength of 10 cm?

B) The observed rotation of a solution of 1.2 g of a compound in 10 mL of water is +0.75 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound?

3. The specific rotation, [α]_D, for (-)-2-butanol is +14. What is the observed rotation for a solution of 3.3 g of (-)-2-butanol in 10 mL of water in a sample tube having a pathlength of 10 cm?

B) The observed rotation of a solution of 1.7 g of a compound in 10 mL of water is +5.8 degrees. If the pathlength is 10 cm, what is the specific rotation of the compound?

Please assist with the information below.

23. Use Table below for questions 23 to 27. You are asked to estimate Return%. Use simple regression. What is the regression equation?

1. Y = 51.65X - 8.75
2. Y = -8.75X + 51.65
3. Y = 0.93 + 0.009X
4. Y = 0.009 + 0.93X

24. What percent of variability in Return% is explained by regression?

1. 40%
2. 68%
3. 45%
4. 71%

25. What can you say about the relationship between Return% and Annual Expense Ratio %?

1. For each % increase in Annual Expense Ratio, Return% decreases 8.8%
2. For each % increase in Annual Expense Ratio, Return % increases 51.6%
3. For each % increase in Return%, Annual Expense Ratio decreases 8.8%
4. For each % increase in Return%, Annual Expense Ratio increases 51.6%

26. If a company’s Annual Expense Ratio is 1.94, what is your estimate of Return% for that company?

1. 67%
2. 122%
3. 35%
4. 91%

27. Is the slope of the regression model statistically significant at the alpha = .05 level?

1. Yes
2. No
3. No, it would take more data points to determine this
4. Not enough data to determine this

An index currently stands at 736 and has a volatility of 27% per annum. The risk-free rate of interest is 5.25% per annum and the index provides a dividend yield of 3.65% per annum. Calculate the value of a five-month European put with an exercise price of 730.

1.) An alpha particle has a mass of 6.42 × 10^−27 kg and bears a double elementary positive charge. Such a particle is observed to move through a 5.2 T magnetic field along a circular path of radius 0.19 m. The charge on a proton is 1.60218×10^−19 C. What speed does it have? Answer in units of m/s.

2.) What is its kinetic energy? Answer in units of J.

3.) What potential difference in MV would be required to give it this kinetic energy? Answer in units of MV.

Use the following information for questions 27-30: A researcher is creating a new treatment protocol for Myelodysplastic Syndrome (MDS), a form of preleukemia. Following the old treatment protocol, 33% of patients with MDS will develop Leukemia within 5 years of MDS diagnosis. He believes his new treatment protocol will lead to fewer MDS patients developing Leukemia. He takes a random sample of 100 individuals on his new treatment protocol. Of these 100 individuals, 27 develop Leukemia within 5 years of MDS diagnosis. The researcher decides to conduct the appropriate hypothesis test using α (alpha) = 0.05. Assume all conditions are met.

What is the Value of the Test Statistic?

a. -1.35

b. 1.35

c. -1.28

d. 1.28

e. -2.71

Suppose the Annual rainfall (in inches) in 5 different locations in Hawaii are: 19, 27, 18, 16, 13. A statistician wants to use this data to test the claim that the average rainfall in Hawaii is more than 16 inches. Assume significance level α = 0.05 .   

a) What is the alternative hypothesis H 1? What tailed test is this?

b) Determine the value of the Test Statistic.

c) What is the P-value?

d) Should the statistician Reject or Fail to Reject the Null Hypothesis?

e) What is the conclusion in plain English? (use the summary table provided in class)

f) Calculate the 90% Confidence Interval for the average rainfall in Hawaii

g) Are the confidence limits (in part (f)) consistent with the conclusion in part (e)? Why or why not?

P23-27: Molar absorptivity data for the cobalt and nickel complexes with 2,3-
quinoxalinedithiol are εCo = 36,400 and εNi = 5520 at 510 nm and εCo = 1240 and εNi = 17,500 at 656 nm. A 0.425-g sample was dissolved and diluted to 50.0 mL. A 25.0-mL aliquot was treated to eliminate interferences; after addition of 2,3quinoxalinedithiol, the volume was adjusted to 50.0 mL. This solution had an absorbance of 0.446 at 510 nm and 0.326 at 656 nm in a 1.00-cm cell. Calculate the parts per million of cobalt and nickel in the sample.

18) For the network 192.168.140.68/27 determine:

a)     All the subnets

b)     Address ranges

c)     Host ranges

d)     Network IDs

e)     Broadcast addresses