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The profit in dollars from the sale of x expensive watches is P (x)=0.02x 2 2x+5x 0.3 4600.
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the department of economic and community development reported that in 2009 the average number of new jobs created per country was 450.
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Suppose you fit the first-order multiple regression model y = 0+1x1+2x2+ to n=25 data points and obtain the prediction equation y with caret equals =...
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A dealership has 6 red, 13 silver, and 5 black cars on the lot. Ten cars are randomly chosen to be displayed in front of the dealership. Complete...
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I have 18 statistic proplems
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Another display technique that is somewhat similar to a histogram is a dotplot . In a dotplot, the data values are displayed along the horizontal...
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A sample of 35 different payroll departments found that employees worked an average of 240 . 6 days a year . If the population standard deviation is...
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22 . Mrs . Smith's reading class can read an average of 175 words per minute with a standard deviation of 20 words per minute . The top 396 of the
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Hospital records show that for patients suffering from a certain disease, 40% die from it (regardless of the patient). Assume patients are...
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QMSC 3311 - Fall 2010 Case Study 2 Metropolitan Research, Inc.
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Ok so here is my dilemma. I have to write concerning the answer to this particular question : (see below) Question: Alright all, I have a pretty...
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A bag contains 8 red marbles, 6 white marbles, and 8 blue marbles. You draw 3 marbles out at random, without replacement. Find the following...
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A fast food chain store conducted a taste survey before marketing a new hamburger. The results of the survey showed that 70% of the people who tried...
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15 The average age of doctors in a certain hospital is 50 0 years old . Suppose the distribution of ages is normal and has a standard deviation of 60...
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13 X is a normally distributed random variable with a mean of 4 0 . Find the standard deviation of the distribution if 59 1096 of the data lies to...
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The amount of annual claims per policy at a health insurance company has a normal distribution with mean $300 and standard deviation $100 Darren has
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4 . In a second grade class containing 15 girls and 9 boys 2 students are selected at random to give out the math papers . What is the probability
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A researcher is evaluating the effect of a new growth hormone. It is known that regular adult rats weigh an average of 400 grams, with a standard...
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1 . A recent poll found that 3096 of those surveyed are worried about aggressive drivers on the road . If three people are selected at random , what
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A stock index fund invests in a very large number of different stocks, so the return you get from it is roughly the average return for the stocks in...
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A United Nations report shows the mean family income for Mexican migrants to the United States is $26,450 per year.
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(b) Verify the computer"s calculations by using Table A to find the P -value of the test for the first of your samples. Use the x reported by your...
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(a) Explain briefly and in nontechnical language what "a significant difference (P 0.01)" means. (b) Explain clearly and briefly what "95%...
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In a population, 11% of people are left handed. In a simple random sample of 160 people selected from this population the proportion of left handers...
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There are 6 white balls and 4 red balls in an urn. Consider selecting one ball at a time from the urn. What is the probability that the first ball is...
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in 2005 the San Francisco Bay Times reported a pol in new Zealand that found that New Zealanders opposed the nations new gay-inclusive civil-unions
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The personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews.
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what is the power of each of the following studies using a t-test for dependet means based on the .05 significance level?
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A PC manufacturer claims that no more than 5% of their machines are defective. In a random sample of 100 machines, it is found that 8.5% are...
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A company is interested in o ering its employees one of two employee bene t packages.
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Provide one example with step by step calculation how least square regressions can be used in the medical field. ( Hint:
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2. Describe the main steps in developing and administering a survey. 3. Why is sampling important in survey research? 4. What types of statistical
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How to code for E-plane and H-plane of rectangular patch antenna in MATLAB? Have this so far but how do i plot to look like the image?
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A certain type of cattail plant has a height that is normally distributed with a mean of 1.5 feet and a standard deviation of 0.1 feet.
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my topic is Does employment impact the well-being of full-time undergraduate students and there have some question to do the PPT slide .
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The data to the right compared the price of some kitchen staples at four different supermarkets located in the same city. Complete parts (a) through...
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1. Consider the experiment, called the birthday problem , where our task is to determine the probability that in a group of people of a certain size
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Identify two business situations or problems within your current organization or industry. Articulate how one of these lends itself to a simple...
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According to the Democratic Chronicle article Millions forfeited in health accounts, an estimated $210 million is forfeited each year
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Use the given process data to construct a control chart for p. Data was collected for the number of violent crimes per 100,000 people in the United...
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(1)The frequency distribution shows the results of 200 test scores. Are the test scores normally distributed? Use (alpha) α = 0.10 Complete parts (a) through (d).Class Boundaries, Frequency
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If a restaurant owner wants to find the 95% confidence interval around the true mean cost of a pizza, how large of a sample should be studied if the
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- The resistance for 9 types of used in a distribution center was determined. The sample standard deviation was of s = 2.81 kg/cm 2.
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In a local community healthy males between 65 and 70 years of age have their weight distribution to be approximately normal with mean 151 lbs and a...
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The following ANOVA table was obtained using brain sizes from the types people: REGULAR, football players with concussion, and football players with...
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You're in a brainstorming session at WidgeCorp, where no idea is too outrageous. You're discussing penetration in the school lunch market.
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Assume that you plan to use a significance level of a = 0 05 to test the to test the claim that p = p 2 . Use the given sample sizes and numbers of...
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50 At a large university, a mathematics placement exam is administered to all students.
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In a random sample of 60 refrigerators, the mean repair cost was 147.00 and the population standard deviation is 16. Construct a 95 % confidence...
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THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Suppose you roll a pair of dice. Let A be the event that you observe an even number. Let B...
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