Questions
the world health organization states infections are what percentage of all deaths?

the world health organization states infections are what percentage of all deaths?

In: Nursing

How big is the U.S. National Debt? What percentage is it of our GDP? Is this...

How big is the U.S. National Debt? What percentage is it of our GDP? Is this a problem? How does it get repaid?

4 questions that's all in 1 answer please.

Thank you

In: Economics

A national survey of heads of households showed the percentage of those who asked for a...

  1. A national survey of heads of households showed the percentage of those who asked for a raise and the percentage who got one. According to the survey, of the women interviewed, 26% had asked for a raise, and of those women who had asked for a raise, 45% received the raise. Suppose a woman is randomly selected, then:

    (a) Find P (woman did not ask for a raise).
    (b) Find P (woman asked for raise and received raise).

  2. You are playing a game where you flip a coin, roll a six-sided die, and then draw a ball out of a bag. In the bag, there are 5 balls—3 red and 2 blue. You record your results.

    (a) Make a tree diagram showing all the possible outcomes. (b) How many outcomes are possible?

  3. (c) What is the probability of flipping a tail, rolling a 3, and drawing a blue ball?
    (d) What is the probability of flipping a tail, rolling an even, and drawing a blue ball?

In: Statistics and Probability

1. A Lorenz curve measures the ___ on the vertical axis. A) cumulative percentage of families...

1. A Lorenz curve measures the ___ on the vertical axis.
A) cumulative percentage of families
B) demand of families on welfare
C) cumulative percentage of money income
D) cumulative percentage of family wealth

2. A Lorenz curve that is perfectly straight indicates
A) that a small portion of the population accounts for most of the income.
B) that society is very rich.
C) that a large portion of the population accounts for most of the income.
D) complete income equality

3. A bilateral monopoly means
A) that a monopsonistic employer bargains with two unions
B)that a monopsonistic employer bargains with a monopoly.
C)that an industrial union bargains with a two-firm oligopoly.
D)that a monopsonistic employer bargains with both an industrial and a craft union.

4. A cartel will break down more easily if
A) there are only a few members.
B) market prices can be observed easily.
C) there are many entrants in the industry
D) industry demand is very stable.

5. A concentration ratio gives
A) the average size of the firms in an industry.
B) the total sales of four or eight of the mid-sized firms in the industry
C) the percentage of all sales contributed by the four or eight largest firms in the industry.
D) the sales of the four largest firms in the industry divided by the sales of the eight largest firms in the industry

6. A dominant strategy is one that
A) every participant in the game will follow.
B) always yields the highest benefit regardless of what the other players do.
C) yields a position of the winner so long as the other participants act as planned.
D) turns a negative-sum game into a positive-sum game.

7. A firm in a monopolistically competitive market determines the profit-maximizing output at which
A) MR=AVC
B) MR=ATC
C) MR=P
D) MR=MC.

8. A good example of a monopolistic competitive industry is
A) the four major textbook publishers together with nearly 90 percent of industry sales.
B) the country music industry
C) the federal highway system.
D) wheat farms in the United States.

9. A group of firms that try to work together to earn monopoly profits is called a(n)
A) public enterprise.
B) patent.
C) natural monopoly.
D) cartel.

10. A local utility is an example of
A) perfect competition.
B) oligopoly.
C) monopoly
D) monopolistic competition.

please help me with the 1-10 multiple choice questions !

In: Economics

Anderson bought a bond with a modified duration of 11.20. By approximately what percentage will the...

Anderson bought a bond with a modified duration of 11.20. By approximately what percentage will the bond price change assuming interest rates increase by 90 basis points?

a. -11.20%

b. -10.08%

c. +10.08%

d. +11.20%

In: Finance

a-Define Internal rate of return and state whether it is a dollar amount of a percentage...



a-Define Internal rate of return and state whether it is a dollar amount of a percentage rate?
b- what is capital recovery cost?
c- you wish to endow a scholarship for student to receive 10,000 each year. The program will last for a very long time. you expect to generate an average intrest rate of 12% per year. Ignoring administrative expenses what is the governing equation to analyze this situation? what amount must you deposit at t=0 to fund such a program?

In: Economics

The glutamate side chain has a pKa of 4.4. Calculate the percentage of Glu that is...

The glutamate side chain has a pKa of 4.4. Calculate the percentage of Glu that is unprotonated at a pH of 4.7.

In: Biology

Describe the percentage of sales method and briefly explain why it is used widely.

Describe the percentage of sales method and briefly explain why it is used widely.

In: Finance

A study wants to compare the percentage of Facebook users between males and females in a...

A study wants to compare the percentage of Facebook users between males and females in a county. A sample of 95 males shows that 46 of them use Facebook. A sample of 90 females shows that 48 of them use Facebook.

(a) What are the populations?

(b) At α = 0.01 level of significance, is there evidence that the two population proportions are different?

(c) Identify the type of error for your conclusion. If it is type I error, find the probability of error and probability of confidence.

In: Statistics and Probability

1. A nutritionist claims that the percentage of people that get too much sodium in their...

1. A nutritionist claims that the percentage of people that get too much sodium in their diet is greater than 60% and decides to test this assertion by computing the proportion for a random sample. The data results in a test statistic of z = 2.96 and a Pvalue of .0015 a. State the hypotheses for their test. b. Briefly describe what the P-value is. c. Using the test statistic, how was the P-value found? d. Based on the P-value what conclusion should the nutritionist make? In particular, do they have enough evidence in support of their claim? 2. A researcher posted that based on a random sample they did not find statistically significant evidence that the proportion of people following appropriate distancing and mask guidelines was different than 0.50. a. State the null and alternative hypotheses. b. How many sides does this test have? c. Briefly explain what the researcher meant by “they did not find statistically significant evidence”. 3. To test the claim that the percentage of voters that voted in the last presidential election is less than 60%, a researcher randomly sampled 900 voters. 513 voted in the last election. a. State the null and alternative hypotheses. b. Compute the test statistic (z value). c. Compute the P-value. d. What conclusion should be made at a 5% significance level?

In: Statistics and Probability