A drinks bottling production line has a relative frequency failure rate of 0.0045 If 2,000,000 bottles of pop are produced per day, how many of them will be faulty?
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A drinks bottling production line has a relative frequency failure rate of 0.0045
If 2,000,000 bottles of pop are produced per day, how many of them will be faulty?
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- A group of students need to submit a project and they need to survey people about their daily routine. How many people should they survey in order to be 95% confident that the estimated ( sample) proportion is within three percentage points of the true population? Assume that pq= 0.25In a trial of 218 patients who received 10-mg doses of a drug daily, 48 reported headache as a side effect. Obtain a point estimate for the population proportion of patients who received 10-mg doses of a drug daily and reported headache as a side effect. D(Round to two decimal places as needed.)TIMELINE OR LINE GRAPH The Timeline Graphs necessary for this exercise are also in Public Files/Mod1 A timeline or line graph shows trends over time. This study examines whether there is any relationship between the season of the year and suicide rates. These two line graphs show rates per 100,000.This study was based on data from Hong Kong only for the years 1980 to 1994. Line Graph images 1.5 1.0 Figure 1. Average total and sex-specific monthly suicide rates, 1980-1994. (I Total, • Male, A Female) 0.5 0.0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Month Suicides per 100,000
- 3. People lose muscle mass as they age. Suppose a person lost 7% of their muscle mass between ages 50 and 60 (based on what they had at age 50) and 8% of their muscle mass from 60 to 70 (based on what they had at age 60). What percentage of the muscle mass that they had at age 50 have they lost by age 70? The following approach is INCORRECT! Explain why. The person lost 1% and then lost 8%. Since 1% + 8% =15%, they lost 15%. Explanation: Work: Answer the question, supporting your answer with work.A researcher reports an F-ratio with df = 3, 56 from an independent-measures research study. How many treatment conditions were compared in the study? How many participants were in the study?According to the CDC, cholesterol levels can be reduced by following a healthy diet, getting regular exercise, and reducing the amount of alcohol consumed on a weekly basis. One method of monitoring overall cholesterol levels is to calculate your cholesterol ratio (LDL/HDL), in general a cholesterol ratio between 3.5 and 5.0 is considered to be healthy for most adults. Suppose you are a clinical researcher testing the effects of these lifestyle changes on patient cholesterol levels. In order to determine if following these guidelines helps to reduce overall cholesterol, a total of 18 participants (N = 18) with moderate to high cholesterol ratios (i.e., 3.91 to > 5.0) were recruited for a healthy lifestyle study and their cholesterol ratio was calculated three times over a six week period: Week 0 (baseline), Week 3, and Week 6. Using the variables "Week 0", "Week 3", and "Week 6" in the data set, conduct a One-Way, Within Subjects (AKA Repeated Measures) ANOVA, at α = 0.05, to see…
- According to the CDC, cholesterol levels can be reduced by following a healthy diet, getting regular exercise, and reducing the amount of alcohol consumed on a weekly basis. One method of monitoring overall cholesterol levels is to calculate your cholesterol ratio (LDL/HDL), in general a cholesterol ratio between 3.5 and 5.0 is considered to be healthy for most adults. Suppose you are a clinical researcher testing the effects of these lifestyle changes on patient cholesterol levels. In order to determine if following these guidelines helps to reduce overall cholesterol, a total of 18 participants (N = 18) with moderate to high cholesterol ratios (i.e., 3.91 to > 5.0) were recruited for a healthy lifestyle study and their cholesterol ratio was calculated three times over a six week period: Week 0 (baseline), Week 3, and Week 6. Using the variables "Week 0", "Week 3", and "Week 6" in the data set, conduct a One-Way, Within Subjects (AKA Repeated Measures) ANOVA, at α = 0.05, to see…What is the predicted percentage of people without health insurance in 1998? Round your result to two decimal places.Insurance companies are interested in knowing the population proportion of drivers who always buckle up before riding in a car.When designing a study to determine this population proportion, what is the minimum number of drivers you would need to survey to be 95% confident that the population proportion is estimated to within 0.05?
- In a recent survey, 72% of post-secondary graduates indicated that they expected to earn at least $6000/month by the time they were ready to retire. The survey is considered accurate within ±5.2%, 19 times in 20. If the graduating class that participated in this survey contained 2100 students, what is the lower and upper estimate of the number of students who expect to earn at least $600/month by the time they are ready to retire? Select one: O a. 1403 to 1621 О Б. 19 toо 20 C. 66.8 to 77.2 O d. 95%please answer correctly:The head of a computer science department is interested in estimating the proportion of students entering the department who will choose the new computer engineering option. A preliminary sample indicates that the proportion will be around 0.35. Therefore, what size sample should the department head take if she wants to be 95% confident that the estimate is within 0.10 of the true proportion?
