The inlet pressure of a steam generator is to be held constant at 5.00 MPa. During the test, the inlet pressure was measured 120 times. The resolution of the digital pressure gauge used was 0.001 MPa. The number of results, m, is the number of readings falling in an interval of ±0.04 MPa centered about the listed pressure.

a)     a) Find the mean and standard deviation of the given pressure data.

b) b)  Determine 95% confidence interval for the calculated mean pressure.

c) Conduct a hypothesis testing if the data obtained indicate a target pressure of 5.00 MPa at a confidence level of 99

1.1 While a car travels around a circular track at a constant speed its, which of the following is true?

A) it has non-zero acceleration

B) it has zero acceleration

C) it has zero velocity, because the speed is constant

D) It has zero inertia

1.2. How many of the following statements are impossible?

(a) An object that has zero velocity and a non-zero acceleration.

(b) An object that travels with a constant velocity and a varying acceleration.

(c) An object that travels with a constant acceleration and a varying velocity.

1.3. For a freely falling object, how many of the following statements are true?

(a) the distance fallen during each second keeps increasing;

(b) the speed keeps increasing;

(c) the change in speed during each second keeps increasing;

(d) the acceleration keeps increasing.

True or False

1. The introduction of intratemporal trading opportunities in an economy in which these opportunities did not previously exist will allow house holds to spend their income in patterns that differ from the pattern in which their income is received.

2. An examination of the historical evolution of media of exchange suggests that innovations in hte form of the medium of exchange are driven by society's desire to reduce the utility costs associated with using an item as a medium of exchange.

3. If gold is the medium of exchange in an economy, discovery of new gold deposits will lead to a reduction in the value or price of gold and to an increase in the general price level as measured by indices such as the consumer price index and GDP deflator.

4. Since falling interest rates encourage current consumption and investment in physical capital, rising bond prices are an unambiguous indicator of good economic times.

Consider the labor market for garment workers. This work used to be done largely by hand. As new machines were developed to help in the making of clothes, what do you predict happened to the demand for labor? The invention of new technology can be thought as the price of capital as falling.

1) Consider the scale effect. Do you expect this to be small or large? Consider the two factors that determine the size of the scale effect.

2) Consider the substitution effect. Do you expect this to be small or large? Consider the two factors that determine the size of the substitution effect.

3) Can you guess whether the substitution or scale effect might dominate?

4) Suppose capital and labor are gross substitutes. Would you consider new technology in the sewing industry to be a good thing or bad thing? Why?

The firm will receive cash inflow of $30 million on June 20 which needs to be parked for a period of 3 months ending on sep 19. The CFO believes the interest rates will start falling and wishes to hedge against this. She notes that the june euro dollar futures (expiring on june 20) is at 96

a. Write down the position that she should take on the euro dollar contracts. The final closing price on June 20 was 95

b. Compute the interest earned when the $ 30 million was invested on June 20 for 3 months

c. Compute the loss / gain on the euro dollar futures

d. Assuming the loss/ gain on the euro dollar futures were realised on sep 19. what was the total cash inflow on sep 19

e. Therefore what was the effective interest rate using this strategy

1.The Vector Product or otherwise know Cross Product of two vectors is itself another vector. When is the product zero?

2.How does one find the resultant vector of multiple vectors added together?

3.The change in displacement divided by the time interval over which the change in displacement occurs is known as what?

4.The change in velocity divided by the time interval in which the change in velocity occurs is known as what?

5.The constant acceleration of a freely falling object is called the ______?

6. In “Ideal” Projectile motion (No air resistance) how does the velocity in the horizontal direction behave throughout the flight of an object? And what is the flight path known as?

7.Acceleration of an object in uniform Circular motion is radial, what does this mean? And what is it sometimes called?

A. In the community, the Personal Support Worker student is caring for Mr. McPhee who is a heavy gentleman with weakness in both legs. He requires assistance to stand and ambulate with a walker. What measures must the Personal Support Worker student take to ensure the safety of Mr. McPhee?

B. Mrs. Graham has been using a cane to assist with walking. She complains to you that she is feeling more unsteady when walking and is afraid of falling. What mobility aid would offer her more support? Why

C.    What would you do as a Personal Support Worker with this new information that you have gathered?

D. If an employer asks a PSW to take blood pressure, would the PSW do it without extra training? Explain why or why not?

According to the website www.collegedrinkingprevention.gov, “About 25 percent of college students report academic consequences of their drinking including missing class, falling behind, doing poorly on exams or papers, and receiving lower grades overall.” A statistics student is curious about drinking habits of students at his college. He wants to estimate the mean number of alcoholic drinks consumed each week by students at his college. He plans to use a 99% confidence interval. He surveys a random sample of 55 students. The sample mean is 3.69 alcoholic drinks per week. The sample standard deviation is 3.56 drinks.

Construct the 99% confidence interval to estimate the average number of alcoholic drinks consumed each week by students at this college.

( ,  )

Your answer should be rounded to 2 decimal places.

You are serving on a jury. A plaintiff is suing the city for injuries sustained after falling down an uncovered manhole. In the trial, doctors testified that it will be 5 years before the plaintiff is able to return to
work. The jury has already decided in favor of the plaintiff. You are the foreman of the jury and propose that the jury gives the plaintiff an award to cover the following items:

(1) The present value of two years back pays ($34,000 in 2018, $36,000 in 2019). Assume that it is January 1, 2020, and that all salary is received at year-end.
(2) The present value of 5 years of future salary (2020-2024). Assume that the plaintiff’s salary would increase at a rate of 3% a year.
(3) $100,000 for pain and suffering
(4) $20,000 for court costs

Assume an interest rate of 7%. What should be the size of the settlement?