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Last July there were 703,556 scheduled passengers flights in a certain country, and in july of 1994 there were 612,189. Use a percentage to express...
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The Office of Student Services claims that 30% of all business undergraduates have above a 3.
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A product is made up of three parts that act independently of each other. If any of the parts is defective, the product is defective.
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A farm has two types of trees: 30% are orange trees (O) and 70% are apple trees (A). Frost (F) has damaged 40% if the orange trees ((F|O)=0.40) and...
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TThe typical (median) price of a single- family home in a certain region rose from 75,100 in 1992 to 180,000 in 2007.
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suppose you perform a multiple regression to predict crime rate in a state and includes as indicators of predictions the homeownership rate divorce...
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One of the authors received a credit card bill for 3,036, but included a charge of 1,909 that was not valid.
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A study was conducted of pleas made by 1,032 criminals. Among those criminals, 954 pled guilty, and 394 of them were sentenced to prison.
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Histograms group numeric values into categories (or ranges of values). If there are too few categories (also called bins), some characteristics of...
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A student is applying to Harvard and Dartmouth. If the student is accepted at Dartmouth, the probability of being accepted at Harvard is 40%.
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The nurse researcher is using a composite psychosocial scale. What is a composite psychosocial scale?
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Georgia McBeal is trying to save for her retirement. She believes she can earn 10% on average each year on her retirement fund.
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I'm having difficulty with this probability question. The mean is 13.118, standard deviation is 5.39906, sample size is 36. what is the probability...
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A wholesale T-shirt company offers sizes small, medium, large, and extra-large in organic or non-organic cotton and colors white, black, gray, blue,...
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Red Bull is the most popular energy drink in sales in the United States.
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# This is an individual assignment in which cooperation is not permitted. # Reference all sources. # For the Pearson linear correlation test as shown below, # describe the assumptions and purpose of t
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i NEED HELP ON HOW TO GET THE SCATTER PLOT Upload US crime data and compare the burglary counts for the states of Hawaii, California, Arizona and...
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The patient recovery time from a surgical procedure is normally distributed with a mean of 5.3 days and population standard deviation of 2.1 days.
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"From the following information, how would I work out the standard error of the estimate for the regression model (in excel)?
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Explain the meaning of the following output items:# 1) statistic t,# 2) degrees of freedom f,# 3) p-value,# 4) alternate hypothesis,# 5) 95% confidence interval,# 6) sample estimate.## Can one reject
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Explain the meaning of the following output items:# 1) statistic t,# 2) degrees of freedom f,# 3) p-value,# 4) alternate hypothesis,# 5) 95% confidence interval,# 6) sample estimate.## Can one reject
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# This is an individual assignment in which cooperation is not permitted. # Reference all sources. # For the Pearson linear correlation test as shown below, # describe the assumptions and purpose of t
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Finger Dexterity, the ability to make precisely coordinated finger movements to grasp or assemble very small objects, is important in jewelry making....
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In a sample of 2016 U. adults, 242 said Richard Nixon was the worst president. adults are selected at random without replacement.
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In a sample of 2016 U. adults, 242 said Richard Nixon was the worst president since World War II. Three U. adults are selected at random without...
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Jeff's boss would like him to spend more time on the project. On Mondays, Tuesdays and Wednesdays. Jeff works on the project for the usual amount of...
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According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity...
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A bank has 820 accounts. The manager took a random sample of 60 of these accounts. The sample mean was $127.43, and the sample standard deviation was...
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# This is an individual assignment in which cooperation is not permitted. # Reference all sources. # For the Pearson linear correlation test as shown below, # describe the assumptions and purpose of t
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# This is an individual assignment in which cooperation is not permitted. # Reference all sources. # For the Pearson linear correlation test as shown below, # describe the assumptions and purpose of t
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The Greater Pittsburgh Area Chamber of Commerce wants to estimate the mean time workers who are employed in the downtown area spend getting to work.
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Final assignmentSummary# This is an individual assignment in which cooperation is not permitted. # Reference all sources.# For the Pearson linear correlation test as shown below, # describe the assump
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Use the following data to answer questions #1 through # 4 Summarizing data from 950 children in the United States: 390 children do chores and receive...
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Run a Monte Carlo simulation to estimate the probability P(S 1/ n S + 1/ n) when = 0.2 and n = 10, 20, 80, 160. Hint: For every n considered, do the...
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Fifteen batteries are tested to determine whether the battery life is as long as advertised . Four batteries fail the test. From all fifteen...
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A. An extremely small p-value indicates that the actual data differs markedly from that expected if the null hypothesis were true. 14. Which of the
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A calling agency has data showing that the average response time is 5.6 minutes with a standard deviation of 1.
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Differences in Alpha Level as It Related to Hard and Soft Sciences Decisions about alpha level may be different, especially as it relates from hard...
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the average salary for graduates entering the actuarial field is $40,000. if the salaries are normally distributed with a standard deviation of $5000...
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Remove any potential errors or outliers, duplicate records, or data that are not necessary.
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Let Z be a standard normal random variable. Use the calculator provided, or this table , to determine the value of c such that = P c Z c 0.9534 .
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Can anyone help? or explain how to get to the answer?
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A person in a casino decides to play 3 games of blackjack. Let W denote a win and L denote a loss. Define the event A as "the person wins at least...
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Can someone explain why I keep getting an error in MatLab on the bolded line. Its in the function y-Y(i)+h*(y-y.^2 + 1.14*cos(exp(t/2)) . I have...
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then Make a simple frequency distribution of the first (left-hand) digit of the populations.
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A medical researcher is interested in the possible role of a particular vaccine in causing autism.
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The binomial tables used by the author are based on a cumulative distribution.
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One state lottery has 1,100 prizes of $1; 145 prizes of $10; 20 prizes of $75; 5 prizes of $285; 2 prizes of $1,080; and 1 prize of $2,300.
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Ben Goldacre raises some interesting points in his TED talk Battling Bad Science Choose one (or more) of the correlational studies mentioned in Ben's...
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In a sample of 400 customers, 140 say that service is poor. You select two customers without replacement to get more information on their...
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