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ATTENTION RYAN:STASTIC HOMEWORK1. The amount of Jen's
Attachment: 2015-05-12_195353_exam_4_stastic.docx ATTENTION RYAN: STASTIC HOMEWORK 1. The amount of Jen's monthly electric bill is normally distributed with a mean of $160 and a standard deviation of … read more
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Question 1 of 20 5.0 Points The lifetimes of light bulbs of
Question 1 of 20 5.0 Points The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has l… read more
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Create a Microsoft® Excel® spreadsheet with the two variables
Create a Microsoft® Excel® spreadsheet with the two variables from your learning team's dataset. Analyze the data with MegaStat®, StatCrunch®, Microsoft® Excel®or other statistical tool(s), including:… read more
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Show work.1. Redundancy in Aircraft Radios: The FAA requires
Show work. 1. Redundancy in Aircraft Radios: The FAA requires that commercial aircraft used for flying in instrument conditions must have two independent radios instead of one. Assume that for a typic… read more
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Identify the null hypothesis Ho & the alternative hypothesis H1
Identify the null hypothesis Ho and the alternative hypothesis H1. A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 1 in every one thousa… read more
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Use the given confidence level and sample data to find a confidence
Use the given confidence level and sample data to find a confidence interval for the population standard deviation σ. Assume that a simple random sample has been selected from a population that has a … read more
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1. If Z is a standard normal variable, what is the probability
1. If Z is a standard normal variable, what is the probability that Z lies between -0.55 and 0.55? (Points : 7) 0.9000 0.4176 -0.9000 -0.4176 2. If Z is a standard normal variable, what is the probabi… read more
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For Mr. Glenn G 1. Which of the following statements are
For Mr. Glenn G 1. Which of the following statements are correct? A normal distribution is any distribution that is not unusual. The graph of a normal distribution is bell-shaped. If a population has … read more
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Normal adult body temperature is 98.6 and this was challenged
Most people think that the 'normal" adult body temperature is 98.6 degree F. That figure was challenged when reseachers reported a more accurate number of 98.2 degree F. The standard deviation appeare… read more
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Below are 8 questions that I need answers for. I do not need
Below are 8 questions that I need answers for. I do not need to see the work. I only need to have the correct answer. I have also provided the possible correct answers. 1. the mistake of rejecting the… read more
R.R. Jha
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The distribution of heights of young men is approximately Normal
The distribution of heights of young men is approximately Normal with mean 70 inches and standard deviation 2.5 inches. Use 68-95-99.7 rule to answer the following questions. a. what % of men are tall… read more
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For a particular sample of 63 scores on a psychology exam,
For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 47 Third quartile = 81 Standard deviation = 11 Range = 68 Mean = 70 Median = 71 Mode = … read more
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
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SusanAthena
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statistics questiom: average sale price is $245,700 for a
statistics questiom: average sale price is $245,700 for a house in 2003. find the range of values in which 75% of sale prices will lie is standard deviant is 44,000 round your k to the nearest whole n… read more
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given mean 152.7; stanard dev. +/-17.6; range of 109-176; median
given mean 152.7; stanard dev. +/-17.6; range of 109-176; median 154.5; what is the percentage… read more
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The heights in inches of 14 randomly selected adult males in
The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stem-and-leaf plot. 2. Find the mean. 3.… read more
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22e. Suppose that you were assigned to write an article for
22e. Suppose that you were assigned to write an article for the student newspaper and you were given a quota ( by the editor) of interviewing at least three extroverted professors. How many professors… read more
R.R. Jha
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claim The mean body temperature of healthy adults is leess
claim The mean body temperature of healthy adults is leess than 98.6. Sample Data: n=35, x- (mean of values in sample)=98.20, and s=0.62. does this support the claim that temperature is = to, less tha… read more
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