Math Homework

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A TV show Lindsey and Tobias recently had a share of 15,
A TV show Lindsey and Tobias recently had a share of 15, meaning that among the TV sets and use 15% we're tuned to the show. Assume that an advertiser wants to verify the 15% share value by conducting… read more
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3 business analytics questions: Please show work. Question 1 In a class where the exam averages are normally distributed, the mean score is 75 and the standard deviation is 10. If you want to find out… read more
Ryan
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XXXXX XXXXXez loves to weigh things with her new electronic
XXXXX XXXXXez loves to weigh things with her new electronic scale that is accurate to the nearest gram. Mary has always wondered whether or not the cereal inside the boxes of her favorite brand actual… read more
Osbert12
Master's Degree
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I need help with a couple of questions... A real estate
I need help with a couple of questions... A real estate office wants to make a survey in a certain town, which has 50,000 households, to determine how far the head of household has to commute to work.… read more
Scott
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1. Provide an appropriate response. A researcher obtains
1. Provide an appropriate response. A researcher obtains an alphabetical list of the 2560 students at a college. She uses a random number generator to obtain 50 numbers between 1 and 2560. She chooses… read more
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A mortgage department of a large bank is studying its recent
A mortgage department of a large bank is studying its recent loans. Of particular interest is how such factors as the value of the home (in thousands of dollars), education levels of the head of the h… read more
dhouse1940
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A mortgage department of a large bank is studying its recent
A mortgage department of a large bank is studying its recent loans. Of particular interest is how such factors as the value of the home (in thousands of dollars), education levels of the head of the h… read more
dhouse1940
Retired
Master's Degree
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15. The theoretical probability of undesirable side effects
15. The theoretical probability of undesirable side effects resulting from taking Grebex is 2 in 11. If 110 people take Grebex to lower their blood pressure, how many will encounter undesirable side e… read more
Osbert12
Master's Degree
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A recent survey by an insurance company showed the following
A recent survey by an insurance company showed the following probabilities for the number of automobiles each policyholder owned. Autos owned, X 1 2 3 4 P(X) ? 0.42 0.1 0.04 A) if this table represent… read more
Scott
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FOR STEVE I would like to compare my work with yours. The
FOR STEVE I would like to compare my work with yours. The questions are from Lind, Marchal, and Wathen, Statistical Techniques in Business and Economics Ch. 8, pp. 286-88 - exercise 21, 22, 34 Ch. 9, … read more
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Ch 10 - Exercises 5 (pp344), 13 (pp350), 20 (pp 353), 23 (pp
Ch 10 - Exercises 5 (pp344), 13 (pp350), 20 (pp 353), 23 (pp 356), 31, 32, 36 (pp 361), and 46 (pp363)… read more
Greg
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For Chirag According to recent surveys, 53% of households
For Chirag: According to recent surveys, 53% of households have personal computers. If a ramdon sample of 175 households is selected, what is the probability that more than 75 but less than 110 will h… read more
Chirag
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a) Recent studies indicate that the typical 50-year-old woman
a) Recent studies indicate that the typical 50-year-old woman spends \$350 per year for personal-care products. The distribution of the amounts spent follows a normal distribution with a standard devia… read more
SusanAthena
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A survey of first-time home buyers found that the mean of
A survey of first-time home buyers found that the mean of annual household income was \$50,000 (CNBC.com, July 11, 2000). Assume the survey used a sample of 400 first time home buyers and that the samp… read more
Scott
Master's Degree
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Determine whether the following methods of sampling would give
Determine whether the following methods of sampling would give biased or unbiased results [check one]. Briefly explain why you think the results will be biased or unbiased. No Sampling /Survey methods… read more
Greg
Master's Degree
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1. according to a recent survey approximately 68% of students
1. according to a recent survey approximately 68% of students at this campus are women. a group of 20 students are randomly selected. what is the probability that 15 of them are women? 2. approximatel… read more
Stevewh
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Hugger Polls contends that an agent conducts a mean of 53 in-depth
Hugger Polls contends that an agent conducts a mean of 53 in-depth home surveys every week. A streamlined survey form has been introduced, and Hugger wants to evaluate its effectiveness. The number of… read more
Chirag
Master's Degree
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1. A survey of 880 US household showed that 149 of them use ...
1. A survey of 880 US household showed that 149 of them use e-mail. Use those sample results to test the claim that more than 15% of US households use email. Use a 0.05 significance level. a. Identify… read more
Scott
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