Only typing answerPlease answer explaining in detail step by step without table and graph thankyou Farmer Joe has another idea. His plants have been growing really well while using water, but maybe they would grow evenbetter if he ran Gatorade through the irrigation pipes because Gatorade has electrolytes. Before he switches over, he randomlyselects 50 tomato plants and "waters" each of them daily with Gatorade in order to track the yield of the plants compared to therest of his crops that are watered normally. The yield of the tomato plants that have been "watered" with Gatorade isapproximately normal with a mean of 3 tomatoes and a standard deviation of 1 tomato.He constructs and interprets a 90% confidence interval for the true mean yield for all tomato plants that are watered withGatorade.Which of the following steps, if any, contain an error?Conclude: We are 90% confident that the interval from 2.763 tomatoes to 3.237 tomatoes captures the true mean yieldfor all tomato plants that are "watered" with Gatorade.None of the steps contain an error.Plan: One-sample t interval for μ Random? Random sample of 50 plants. Yes! Normal/Large Sample? The sample sizeНis large, n = 50 > 30.State: We want to estimate μ = the true mean yield for all tomato plants that are "watered" with Gatorade.Do: (2.763, 3.237)

Farmer joe conduting an experiment to compair the yield of tamato plants watered with gatorade to…

Answered: Farmer Joe has another idea. His plants…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter2: Systems Of Linear Equations

Section2.4: Applications

Problem 16EQ

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Farmer Joe has another idea. His plants have been growing really well while using water, but maybe they would grow even better if he ran Gatorade through the irrigation pipes because Gatorade has electrolytes. Before he switches over, he randomly selects 50 tomato plants and "waters" each of them daily with Gatorade in order to track the yield of the plants compared to the rest of his crops that are watered normally. The yield of the tomato plants that have been "watered" with Gatorade is approximately normal with a mean of 3 tomatoes and a standard deviation of 1 tomato. He constructs and interprets a 90% confidence interval for the true mean yield for all tomato plants that are watered with Gatorade. Which of the following steps, if any, contain an error? Conclude: We are 90% confident that the interval from 2.763 tomatoes to 3.237 tomatoes captures the true mean yield for all tomato plants that are "watered" with Gatorade. None of the steps contain an error. Plan: One-sample t…
As a part of my 4H project, I took 100 bunnies and split them into two groups. One group I only fed carrots while the other group I only fed premium Purina Bunny Chow. I did this for a full year while watching their population growth. The carrot group saw a 8% growth with the Purina Bunny Chow group saw a 20% growth. At the end of the experiment, I had gained a total of 17 bunnies. How many bunnies were in the carrot group?
A group of scientists studied the effect of a chemical on various strains of bacteria. Bacteria A started with 12000 cells and decreased at a constant rate of 3000 cells per hour after the chemical was applied. Strain B started with 4000 cells and decreased at a constant rate of 2000 cells per hour after the chemical was applied. When will the strains have the same number of cells?
Researchers are investigating the effectiveness of using a fungus to control the spread of an insect that destroystrees. The researchers will create four different concentrations of fungus mixtures: 0 milliliters per liter (ml/L),1.25 ml/L, 2.5 ml/L, and 3.75 ml/L. An equal number of the insects will be placed into 20 individual containers.The group of insects in each container will be sprayed with one of the four mixtures, and the researchers willrecord the number of insects that are still alive in each container one week after spraying. (c) Describe how the treatments can be randomly assigned to the experimental units so that each treatmenthas the same number of units.
Researchers are investigating the effectiveness of using a fungus to control the spread of an insect that destroystrees. The researchers will create four different concentrations of fungus mixtures: 0 milliliters per liter (ml/L),1.25 ml/L, 2.5 ml/L, and 3.75 ml/L. An equal number of the insects will be placed into 20 individual containers.The group of insects in each container will be sprayed with one of the four mixtures, and the researchers willrecord the number of insects that are still alive in each container one week after spraying. (b) Does the experiment have a control group? Explain your answer.
Researchers are investigating the effectiveness of using a fungus to control the spread of an insect that destroystrees. The researchers will create four different concentrations of fungus mixtures: 0 milliliters per liter (ml/L),1.25 ml/L, 2.5 ml/L, and 3.75 ml/L. An equal number of the insects will be placed into 20 individual containers.The group of insects in each container will be sprayed with one of the four mixtures, and the researchers willrecord the number of insects that are still alive in each container one week after spraying. (a) Identify the treatments, experimental units, and response variable of the experiment.Treatments:Experimental units:Response variable:
Donna wants to grow corn on the farm she just bought. The previous farmer grew corn for several decades and kept detailed records of his crop production each year. These records include the amount of sunlight, the amount of rain, the average yield, and other such figures. In an effort to help Donna out, the previous farmer compares his records of using two popular fertilizers: Earthy and SunX. He pulls his records for the 7 seasons he used Earthy on his corn and the records for the 7 seasons that he used SunX on his corn. He uses these records to compare the average corn yield for the 7 seasons that he used Earthy to the average corn yield for the 7 seasons that he used SunX. If applicable, he will recommend the better fertilizer to Donna. (a)First choose whether the procedure described above is an observational study or a designed experiment. Then further categorize the procedure by choosing the correct type of observational study or designed experiment. Observational study Designed…
Among a clinic's patients having high blood cholesterol levels of at least 240 milliliters per deciliter of blood serum, the previous drug they are on has no changes in their blood cholesterol levels. Volunteers were asked to test a new drug designed to reduce blood cholesterol. A group of 40 volunteers were given the drug for 60 days, and the changes in their blood cholesterol levels were noted. If the average change was a decrease of 6.8 with a sample standard deviation of 12.1, what conclusions can we draw? Use the 5 percent level of significance.
The makers of the Oral-B 3D toothbrush claims that using their brush will "significantly combat tooth decay" when compared with regular toothbrushes. College students have an average of 0.70 (s = 0.40) cavities filled in a given year. You randomly ask 100 students to use the Oral-B 3D toothbrush for one year. They have an average of 0.631 cavities filled in that year. Does the Oral-B 3D toothbrush combat tooth decay at a significance level of .05? Complete a hypothesis test of this study that the using the Oral-B 3D toothbrush reduces (e.g., a "directional" hypothesis) tooth decay. Be sure to include all six steps of a hypothesis test. Please show using excel also. Thanks
The compressors used in refrigerators are manufactured by XYZ Co. at three factories at New York , and California, It is known that the New York factory produces twice as many compressors as the California one, Which produces the same number as the California one (during the same period). Experience also shows That 0.2% of the compressors produced at New York and California are defective and so are 0.4% of these Produced at California. A quality control engineer while maintaining a refrigerator finds a defective compressor. What is the probability that the New York factory is not to be blamed.
Our family brought lots of hot dogs along on our latest camping trip. However, after setting up the tent, we didn’t take care to make sure that the food was safe – and raccoons ate 1/3 of the hot dogs! Grumbling, we cleaned up the mess, then ate 6 hot dogs for lunch. But we forgot to put the rest away when we went hiking, and lost 1/4 of our dwindling supply to jays! Just as a precaution, Mom went to the store and bought enough hot dogs to increase our supply by 2/3. Our campsite neighbors, however, ran out of food, so we gave them 2/9 of our remaining hot dogs and then ate 11 hot dogs for our dinner. That night, bears got 3/4 of the last part of our supply, and in the morning there were only 6 hot dogs left! How many hot dogs did we start with? (Next time maybe we should just bring granola bars...)
Animals and people that take in more energy than they expend will get fatter. Here are data on 12 rhesus monkeys: 6 lean monkeys (4% to 9% body fat) and 6 obese monkeys (13% to 14% body fat). The data report the energy expended in 24 hours (kilojoules per minute) and the lean body mass (kilograms, leaving out fat) for each monkey. Lean Obese Body Mass Energy Body Mass Energy 6 1.13 8.2 0.91 8 1 9 1.32 9.2 1.46 10.4 1.18 10.5 1.62 12.7 1.46 9.2 1.02 12.2 1.28 9 1.16 10.6 1.37 (a) What is the mean lean body mass of the lean monkeys? ANSWER x¯=x¯= kilograms. (b) What is the mean lean body mass of the obese monkeys? ANSWER x¯=x¯= kilograms.

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