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I need some help with my economic statistics homework! I am
Hi I need some help with my economic statistics homework! I am very confused.1. The mean income per person in the United States is $38,500, and the distribution of incomes follows a normal distributio… read more
GLENN GILONGOS
GLENN GILONGOS
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1. Find the indicated z score. The graph depicts the
1. Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. The indicated z score is? (Round to two decimal places as needed.) 2. Assume tha… read more
GLENN GILONGOS
GLENN GILONGOS
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1. What is the probability of obtaining a test score above
1. What is the probability of obtaining a test score above 80 for a distribution with a M = 75 and an SD = 6.38 (try drawing out a normal curve with the values you need to find if you're struggling)?a… read more
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Whats this, Use Excel to find the critical value of z
Use Excel to find the critical value of z for each hypothesis test. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.) (a) 3 percent level of significance, two-tailed test. Critical value of z ± (b) 4 percent level of significance, right-tailed test. Critical value of z (c) 6 percent level of significance, left-tailed test. … read more
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GLENN GILONGOS
Master of Mathematics
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Question 1 Assume that the weight loss first month
Question 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 dis… read more
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1-Carl has a trick die. The probabilities of rolling 1, 2,
1-Carl has a trick die. The probabilities of rolling 1, 2, 3, 4, 5, or 6 are shown below. Roll 1 2 3 4 5 6 Probability 0.1 0 0.6 0.1 0.1 0.1 For one roll of the die, let D = {roll is even}, E = {roll … read more
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Ryan
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I have 6 questions i need solved for part of my final, 2 of
Attachment: 2014-10-27_020147_negative_and_positive_z_scores.docx I have 6 questions i need solved for part of my final, 2 of those need to have the work shown. This is due by 5 pm on Tuesday 28th. Ca… read more
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Find the standardized variable Z if X has Mean 48 and standard
Find the standardized variable Z if X has Mean 48 and standard deviation 9. Your answer: Z = (X - ) / Open Show Work Find the standardized variable Z if X has Mean 157 and variance 36. Your answer: Z … read more
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Problem 7.14 The distribution of grades in an introductory
Problem 7.14 The distribution of grades in an introductory finance class is normally distributed, with an expected grade of 68. If the standard deviation of grades is 15, in what range would you expec… read more
Mr. Gregory White
Mr. Gregory White
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A recent CBS News survey reported that 56 percent of adults
A recent CBS News survey reported that 56 percent of adults felt the U.S. Treasury should continue making pennies. Picture Suppose we select a sample of 10 adults. (a-1) How many of the 10 would we ex… read more
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Ryan
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1. Five males with a particular genetic disorder have one child
1. Five males with a particular genetic disorder have one child each. The random variable x is the number of children among the five who inherit the genetic disorder. Determine whether the table descr… read more
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Ryan
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A researcher wishes to estimate, with 95% confidence, the proportion
A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed Internet access. Her estimate must be accurate within the 2% of the true proportion. a. Find the mini… read more
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I need help with a intoduction to statistics quiz. 20 questions
I need help with a intoduction to statistics quiz. 20 questions and they are multiple choice.… read more
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how do i get answers to things already posted? http://www
how do i get answers to things already posted? http://www.justanswer.com/calculus-and-above/668dd-stats-questions-1-assume-sample-selected.html?txsid=16564309&opt=10&archiveid=10368481&viewquestion=69… read more
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Find the mean for the given sample data. Unless indicated otherwise,
Find the mean for the given sample data. Unless indicated otherwise, round your answer to one more decimal place than is present in the original data values. The students in Hugh Logan's math class to… 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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Hello, I have to complete an ongoing online statistic problems,
Hello, I have to complete an ongoing online statistic problems, is someoneable to assist me complete them?… read more
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A pop quiz is given. There are 8 multiple choice questions.
A pop quiz is given. There are 8 multiple choice questions. Each question has 4 choices only one of which is correct. You guess that answer for each question. Find the probability that you guess exact… read more
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