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If the manager of the paint supply store wants to estimate mean amount of paint in a one gallon can to in 0.004 gallon with 95% confidence and also supposes that the standard deviation is 0.02 gallon, what sample size is needed?
Statistics and Probability, Statistics
A research concludes that the number of hours of exercise per week for adults is normally distributed with a mean of 3.5 hours and a standard deviation of 3 hours. Show all work. Just the answer, without supporting work, ...
A psychologist measures units of change for a memory test after students are given an opportunity to sleep only four hours. The following change units were obtained: 7, -12, 4, -7, 3, -10. Find the a) mean, b) median, c) ...
What is the variation in ‘False rejects' that is NOT attributable to the Inspectors (as Sum of squares, not as percentage or mean)? 349.4 84.9 264.5 10.58 21.2
Researchers want to test the effectiveness of a new pain medication. Four hundred people were recruited to participate in the clinical trial. In clinical testing, 55 out of 239 people taking the medication reported pain ...
A research concludes that the number of hours of exercise per week for adults is normally distributed with a mean of 3.5 hours and a standard deviation of 3 hours. (a) Find the 75th percentile for the distribution of exe ...
A simple random sample of 120 men results in a mean of 80 beats per minute, and a standard deviation of 11 beats per minute. Based on the sample results, the researcher concludes that the pulse rates of men have a standa ...
Assume that women's heights are normally distributed with a mean given by mu equals 63.3 in, and a standard deviation given by sigma equals 3.1 in. Complete parts a and b. a. If 1 woman is randomly selected, find the pro ...
Suppose that a certain college class contains 49 students. Of these, 24 are seniors, 26 are English majors, and 9 are neither. A student is selected at random from the class. (a) What is the probability that the studen ...
Candida has a revolving credit account at an annual percentage rate of 24%. Her previous monthly balance is $549.79. Find the new balance using the previous month's balance method if Candida's account showed the followin ...
Use a fast food restaurant and for 5 types of food from the restaurant, list the fat grams and its total calories. Is there a linear relationship between the two variables? The double whopper has 900 calories and 56 gram ...
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Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group
SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless
Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl
DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac
Create a provider database and related reports and queries to capture contact information for potential PC component pro