El diámetro de los pernos de una fabrica tiene una distribución normal con una media de 950 mm y una desviación estándar de 10 mm ¿cual es la probabilidad de que un perno escogido al azar tenga un diámetro entre 952 y 957 mm?

Max wants to start a farm to grow mussels. He needs to determine the best environment for growing them. He is going to try two different amounts of salt in the water (salinity) and three different water temperatures. For his experiment he has 18 aquariums, each with 20 mussels. He wants to see which environment produces the largest mussels.1. Identify the subjects.2. Identify the factors and levels.3. Identify the treatments.4. Identify the response variable.5. Describe an advantage to random assignment of treatment.6. Explain how replication would be used in this study.7. Someone suggested that Max arrange the tanks so that six with the lowest temperature are on one end of the room, and the six with the highest temperature are at the other end of the room. Explain how this could introduce confounding into the experiment.8. Would it make sense to have a control group that did not get any of the treatments described above? 15. Which of the following are considered sources of "ChemicalPollutants?"A. man made fertilizersB. insecticidesC. pesticidesD. All the above Type the missing number that makes these fractions equal: 4/?=8/14 FPS youre welcome just thank me :) Faye has two identical shoe boxes shaped like ones shown in the trunk of her car...Help please and NO LINKS! Thanks In a certain species of insect, some individuals have flattened white disks on their bodies that protrude and interlock, resembling an orchid flower. This adaptation provides the insect with a better opportunity to capture its prey. If environmental conditions remain unchanged, it is most likely that, in future generations, the proportion of the population with this adaptation will A quilt is made of 15 red squares and 35 blue squares. Find the ratio, in lowest terms of:Someone help pls :D could sum1 explain this for 17 points please? Which statement about the political competition between the Soviet Union and the United States in the Vietnam War is true?The Soviet Union and the United States debated the fate of Vietnam in the United Nations as North and South Vietnam battled for control of the country.United States delegates convinced the United Nations to enact economic sanctions against the Soviet Union for its actions in South Vietnam.The Soviet Union supported North Vietnam in its resistance of an attempted takeover by South Vietnam and its American allies.The United States sent troops to South Vietnam in a failed attempt to prevent a Soviet-backed communist takeover of that nation. I NEEED HELPPPPPPPPPP please i need help fast with explantion PLEASE HELP ME THIS TEST IS 3 GRADES!!!!!What do the arrows in the food chain below indicate about the flow of energy in an ecosystem? A.Energy ia continuosly recycled by the organisms in an ecosystem.B.Energy flows in one direction in an ecosystem,from producers to consumers.C.More of the available energy in an ecosystem is given to largr animals than to small animals.D.Organisms at the end of the food chain receive more energy than those at the beginning 1. Which of the following terms of the Treaty of Versailles upset the Germans?O A. Germany was deindustrialized.B. Germany was divided into different countries.C. Germany was given colonial status,O D. Germany lost a massive amount of territory. If the House and Senate do not accept each other's positions on a bill, which of the following is most likely proposed? A. standing committee B. House rules committee C. joint committee D. conference committee What is the correct equilibrium constant expression for equation P2(g)2 F20(g) = 2 PO(g) + 2 F2(g) ? is -7 less the -8is -8 less then or equal to -8 Ella aun dorma cuando llegaron y por eso 6.mucho al escuchar la msica fuera de nuestra ventana y entonces 7.muy alegre How do store displays encourage spending?O They are put up high so everyone can see them.They are set up in aisles to make everyone see them.They are designed in windows to appeal to everyone.all of the above Which ordered pair is a solution of the systemx + 2y < -2 and y !!!!NEED HELP ASAP!!!! NO LINKS OR REPORT