Internet Viewing A researcher wishes to estimate the average number of minutes per day a person spends on the Internet. How large a sample mus she select if she wishes to be 95% confident that the population mean is within 13 minutes of the sample mean? Assume the population standard deviation is 36 minutes. Round your final answer up to the next whole number. The researcher needs a sample of at least people.

Q: For the data and sample regression equation shown below, complete parts (a) through (c). 0 3 5 5 9 1…

A: Given data: x y 0 1 3 3 5 0 5 -2 9 1

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Q: For the group of 35 movies, find the probability that the average production cost is between 68 and…

A: 4. The mean is 67, standard deviation is 19 and sample size is 35.

Q: The average production cost for major movies is 67 million dollars and the standard deviation is 19…

A: Given,sample size(n)=35mean(μ)=67standard deviation(σ)=19

Q: what is the degrees of freedoms within samples for this data?

A: Question 15: The data shows 30 individuals with three groups.

Q: A coin-operated drink machine was designed to discharge a mean of 9 fluid ounces of coffee per cup.…

A: Givensample size(n)=13Mean(x)=9.18standard deviation(s)=0.26significance level(α)=0.10

Q: Problem B: Suppose that Cities A, B and C have the following observed number of COVID19 cases.…

A: Solution:- from given information City A B C Total COVID 19 cases 400 450 500 1350

Q: Find the value of Za ZO.24 Click the icon to view a table of areas under the normal curve. 20.24…

A: We have given that  Level of significance =0.24

Q: A survey of 100 people in the Metropolitan Region indicated that 56% of them need credit to complete…

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Q: Several years ago, 41% of parents who had children in grades K-12 were satisfied with the quality of…

A: Followings are the Explanation of the question Use the One sample Z proportion t test and its…

Q: A. What is the correlation between mortality and prevalence rates and how do you interpret it?…

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Q: Explain the apparent paradox that even though the difference between the sample mean and μ0 has…

A: Given that, The data set of 5 observations is given. Sample size (n) = 5Level of significance (α) =…

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A: Given information: There are 3 groups. Each group has 10 observations. Total number of observations…

Q: Assume that you plan to use a significance level of a= 0.05 to test the claim that p1 = p2 . Use the…

A: GIVEN DATA,…

Q: Which value represents the variability attributable to the different factor levels or treatments?

A: From the One-Way ANOVA, the variability attributes to the different factor levels or Treatment is…

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A: The sample size is 30 sample mean is 788, population mean is 800 and population standard deviation…

Q: a. It is not in the "t" table b. 5.841 c. 4.541

A: Given Level of significance =99% =1-0.99 =0.01 Df=3

Q: Listed​ below, from left to right and then top to​ bottom, are numbers of law enforcement fatalities…

A: Run test is the type of non parametric test. It used to determine whether the data follow random…

Q: Chocolate Chip Cookie Calories The average 1-ounce chocolate chip cookie contains 110 calories. A…

A: Given data is100,105,160,110,115,115,150,120,190,120,152,100,135,153sample size(n)=14significance…

Q: As Bayes' Theorem illustrates, when you're testing for a rare event (e.g. a rare disease), it's…

A: A false positive is typically referred to as a Type I error in statistics. When someone wrongly…

Q: Problem A: Three top-of-the line mid-sized automobiles have been test-driven and compared on a…

A: The question is about ANOVA Given :   To find : Test whether the mean gasoline mileage performance…

Q: From a sample of 18 tellers operating in different branches of a bank, it turned out that during a…

A: From the provided information, Sample size (n) = 18 Sample mean (x̄) = 60 Sample variance (s2) = 81

Q: The data below show consumption of chicken and its real price at GIMPA Consumption (Y )   3…

A: viii) Regression Equation is, Y=0.2703+0.2546X The monthly consumption for a student with 10 Ghana…

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Q: A study on the efficient utilization of operating rooms was conducted. Results showed that induction…

A: Introduction: It is required to identify the true statements.

Q: Based on this information, answer each alternative. a. P(X< −0.39 or X≥0.74):  b. P(X≥−0.01): c.…

A: Given that  Continuous random variable X has density functions  f(x) = { 1/2 , -0.5 &lt; X &lt; 0.5…

Q: 4. Management at a local grocery store is gathering data about the preference of customers for…

A: given data claim : p &gt; 0.70n = 255x = 184α = 0.01

Q: (a) A study of the effects of running on personality involved 231 male runners who each ran about 20…

A: In a double-blind trial, neither the volunteers nor the researchers are aware of who is getting a…

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Q: Speeding Tickets A motorist claims that the South Boro Police issue an average of 60 speeding…

A: The given claim is that the South Boro Police issue an average of 60 speeding tickets per day.

Q: 85% of all restaurants fail after one year.  Is that number different for Chinese restaurants?  Out…

A: Followings are the Explanations of the question  Use the one sample Z proportion test The following…

Q: AutoWrecks, Inc. sells auto insurance. AutoWrecks keeps close tabs on its customers' driving…

A: Chi square is the type of parametric test. It used to test whether there is variable is independent…

Q: In our Condor Cafe, the Oxnard College Culinary Program offers the most delicious and affordable…

A: Given  n=237, X=118  Level of significance ɑ=0.02

Q: Consider the following sample regression equation yˆ  = 150 − 20x, where y is the demand for Product…

A: Given sample regression equation yˆ  = 150 − 20x, where y is the demand for Product A (in 1,000s)…

Q: ores on a standarized exam are known to follow a normal distribution with a standard deviation of 5.…

A: given data, normal distribution σ=5n=25x¯=72CI=0.88α=1-0.88=0.12

Q: A company has a policy of retiring company cars; this policy looks at number of miles driven,…

A: Solution-: Let, X=The number of month service for the fleet of cars Given: μ=43,σ=5 We want to find…

Q: You wish to test the following claim (Ha) at a significance level of a Ho: p=71.7. 71.7 Ha: 0.005.…

A: We have given that,  The data set are,  X:- 64.9, 91.3, 82.2 And H0 : µ =71.7 vs Ha : µ ≠ 71.7…

Q: There are 3 first grade children, 5 second grade children, and 6 third grade children in a room.…

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Q: The points obtained in the Statistics and Probability oral exam of 11 students chosen at random from…

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Q: A high school principal was concerned about the time his students were spending on home work in a…

A: given data, n=50x¯=18.50σ=10.2α=0.10claim :μ&lt;20

Q: QUESTION 12 You are interested in seeing whether emotions impact decision making. You have three…

A: We have given that p-value = 0.78 Answer:- • No, the findings is not statistically significant…

Q: Should we use a one-tailed or two-tailed test?

A: Here  Dr Chung claims that balanced breakfast increases Productivity... Now  Here take μd=mean of…

Q: IN EXCEL: The average return for large-cap domestic stock funds over the three years 2009-2011 was…

A: The given mean is 14.4% and standard deviation is 4.4%.

Q: The random variable x represents the number of tests that a patient entering a clinic will have…

A: According to the given information, we have x 0 1 2 3 4 P(x) 317 517 617 217 117

Q: Use a random-number table to get a list of 6 random numbers between 1 and 9 beginning at row 4,…

A: