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Start of Questions A particular fruit's weights are normally
Start of Questions A particular fruit's weights are normally distributed, with a mean of 597 grams and a standard deviation of 28 grams.If you pick 21 fruits at random, then 13% of the time, their mea… read more
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Start of Questions A manufacturer knows that their items
Start of Questions A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.8 years, and standard deviation of 0.6 years.If 15 items are picked at random, 10% of th… read more
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This is my question. A company produces Lithium Iron
A company produces Lithium Iron batteries for electic tools. The time these batteries power a particular tool under a specified load (termed the “effective battery life”) is understood to be normally distributed with a mean of 120 minutes and a standard deviation of 8 minutes. Note: A diagram is required in order to gain full marks for a parts ii, iii, iv, v and b part ii. b. The quality control officer for the company intends to test a random sample of 25 of these batteries. He is interested in the mean range for this sample of batteries, which will be denoted X 1. i) State the distribution of X and give the value of its parameters. 2. ii) Calculate the probability that the mean effective life of the batteries in this sample will be between 118 minutes and 122 minutes. … read more
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Question 1 of 40 2.5 Points The distribution of .A. degrees
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The systolic blood pressure (given in millimeters) of males
The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean μ = 125 and standard deviation σ = 14. Systolic blood pressure for males follows a normal… read more
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Question 1 The table lists blood types in a sample of hospital
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If we increase our food intake we generally gain weight. According
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I have 18 question that needs answer. i do not have a scan,
I need the following questions answered by 10/1/2011 at 8pm EST. Researchers are conducting a state wide survey for the U.S. postal service. the survey records many different variables of intrest. whi… read more
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Every measurement has a measurement uncertainty. Discuss how
Determine whether each of the distributions given below represents a probability distribution. Justify your answer. (A) x1234 P(x)1/125/121/31/12 (B) x368 P(x) 2/10.51/5 (C) x20354050 P(x)0.4-0.20.50.… read more
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The process that produces Sonora Bars (a type of candy) is
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1. Two events are complementary when A) the sum of their probabilities
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.Please show your work... 1..Information from the American Institute of insurance indicates the mean amount of life insurance per household in the United States is \$110,000. This distribution follows … read more
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For questions 1 through 3, refer to the following list of raw
For questions 1 through 3, refer to the following list of raw data. 63, 71, 72, 77, 77, 78, 86, 77, 88, 88 1. What is the mean for the data? A. 77 C. 77.7 B. 77.5 D. 88 2. What is the median for the d… read more
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Week 5 Assignment 3 Quiz Complete the quiz by the end of
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1. From past records it is known that the average life of a
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14. Describe in your own words what is meant by line of ...
14. Describe in your own words what is meant by “line of best fit”. 15. In your own words, state the primary purpose of: a. linear correlation analysis b. regression analysis 16. You are given the fol… read more
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1. A health magazine presented results of a recent study
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The mean starting salary for college graduates in the ...
The mean starting salary for college graduates in the spring of 2004 was \$36,280. Assume that hte distribution of starting salaries follows the normal distribution with a standard deviation of \$3300. … read more
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