What roles did African Americans play in the militaryduring WWI?

Find the word that differs from the rest in the position of the main stress. A. mature B. nature C. culture D. measure Betty is considering investing in a company's stock and is aware that the return on that investment is particularly sensitive to how the economy is performing. Her analysis suggests that four states of the economy can affect the return on the investment. Probability Return Boom 0.3 25.00% Good 0.4 15.00% Level 0.1 10.00% Slump 0.2 -5.00%a) What is hte expected return on Barbara's investment? (Round answer to 3 decimal places, e.g. 0.076)b) What is the standard deviation of the return on Barbara's investment? (Round answer to 5 decimal places, e.g. 0.07680) What is the momentum of an 8kg bowling ball rolling at 2m/s The amount of pollutants that are found in waterways near large cities is normally distributed with mean 9 ppm and standard deviation 1.5 ppm. 38 randomly selected large cities are studied. Round all answers to 4 decimal places where possible.1. What is the distribution of XX? XX ~ N(,)2. What is the distribution of xx? xx ~ N(,)3. What is the probability that one randomly selected city's waterway will have more than 9.6 ppm pollutants? 4. For the 37 cities, find the probability that the average amount of pollutants is more than 9.6 ppm. 5. For part d), is the assumption that the distribution is normal necessary? YesNo6. Find the IQR for the average of 37 cities.Q1 = ppmQ3 = ppmIQR: ppm 3. Find the mean and range of the following data.14, 14, 15, 15, 16, 15, 15, 16A 15; 15B 12; 15C 12; 2D 15; 2 Captain Jessica has a ship, the H.M.S. Khan. The ship is two furlongs from the dread pirate Michael and his merciless band of thieves.The Captain has probability \dfrac{1}{2} 21 start fraction, 1, divided by, 2, end fraction of hitting the pirate ship. The pirate only has one good eye, so he hits the Captain's ship with probability \dfrac{1}{6} 61 start fraction, 1, divided by, 6, end fraction.If both fire their cannons at the same time, what is the probability that both the pirate and the Captain hit each other's ships? 5. Write down the nth term of each of the following G.Pswhose first two terms are given as follows. Also findthe term stated besides each G.P. i) 12,-3b,......sixth term helpppppppppppppppppppppppppppppppppp Which hygiene practice has both social and health benefits?coloring hair brushing teethwearing deodorantdisposing of toxins Why, according to Saint-Simon, were the gardens at Versailles in bad taste? In contrast to a differentiator, a cost-leader will: a. focus its research and development on process technologies to improve efficiency. b. charge a premium price for its products and services. c. avoid an organizational structure that relies on strict budget controls. d. build an organizational culture where creativity and customer responsiveness thrive. HELP PLEASE!!! I don't have a lot of time, please help!!!Read the description of f below, and then use the drop-down menus to complete an explanation of why f is or is not a function.f relates each student in Mr. Well's history class to their score on a final exam. solve ... 5x + 4 < 3 - 3x The units of the subway map below are in miles. Suppose the routes between stations are straight, find the distance you would travel between the Elm and Oak stations. Write your answer to the nearest tenth of a mile. Which natural resources did West African kingdoms primarily trade? sir Edwin sandy's plan for getting more labor to Jamestown included attracting women to the Colony promoting interlude services and A: improved treatments of workers B: giving land to those who paid for passage of workers C: direct payments to workers D: required settlers to recruit workers Probability: Please help me answer the question attached. Roberto and Gustavo are twins, but they have very different opinions. If Roberto wants one thing, Gustavo wants another. Roberto has given his preferences. Give Gustavo's preferences by forming sentences using demonstrative adjectives and pronouns. OJO! Be sure to start each sentence with a capital letter and end with a period. Assume that everything Gustavo wants is close by, such that using aquello/a would not be appropriate. 1. Quiero esta medicina. enter answer 2. Quiero ver a este mdico. enter answer 3. Quiero comprar estas pastillas. enter answer 4. Quiero estos jarabes. enter answer 5. Quiero esto. enter answer First answer, Ill mark the brainliest . A professor must randomly select 4 students to participate in a mock debate.There are 20 students in his class. In how many different ways can thesestudents be selected, if the order of selection does not matter?