Length of confidence interval=
Q: Consider the weights of 60 students (Kg.) in the table below; prepare a Frequency Distribution Table…
A: Solution: From the given information, the size of a class is 5. In the given data the minimum weight…
Q: Q2/ The following data represents the sales of a company Eligibility for the period 2010-2014 2010…
A: For finding predicted value: Step1: Firstly we have fitted a straight line Step2: Then by using…
Q: Interpretation of the data. t = -3.4554, df = 6991, p-value = 0.0002763 alternative hypothesis:…
A: The provided information is t=-3.4554 df=6991 p-value=0.0002763 The alternative hypothesis is…
Q: 15. Exponential Smoothing is usually applied to: A. SHORT-TERM FORECASTING B. LONG-TERM FORECASTING…
A: The object is to define the appropriate forecasting (long-term forecasting or short-term…
Q: inworm infestation, commonly found in children, can be treated with a drug that is effective in 92%…
A: Given: Total number of trials = 3 Probability of cured or success = 0.92 Probability of failure = 1…
Q: To study how social media may influence the products consumers buy, researchers collected the…
A: Given: The dependent variable y is Revenue The independent variable x is message rate
Q: The highway mileage (mpg) for a sample of 8 different models of a car company can be found below.…
A: The following data has been provided: 18,20,23,26,35,30,33,35 The sample size is n=8. We need to…
Q: Set A and set B are two sets within a universal set. You are interested in quantifying the union of…
A: In simply words. Universal set = population * Universal set consists elements from which we make…
Q: The following is the breakdown of male patients with high blood pressure, high cholesterol, and…
A: Probability is the chance of occurrence of an event.
Q: Use the frequency histogram to complete the following parts. (a) Determine the number of classes.…
A:
Q: Use the frequency histogram to complete the following parts. (a) Determine the number of classes.…
A:
Q: Use this table or the ALEKS calculator to complete the following. Give your answers to four decimal…
A: Required probability is P(Z>2.67)
Q: Determine the test statistic for the hypothesis test. Round the solution to two decimal places.…
A:
Q: Medical Specialities The following doctors were observed on staff at a local hospital. MD Doctor of…
A:
Q: Graphs, tables, or photographs are the best ways to present. Select one: O a. The introduction O b.…
A: Answer:- Graph, tables or photographs the best way to present.
Q: The number of unhealthy days based on the AQI (Air Quality Index) for a random sample of…
A: In this case, the population standard deviation is not known.
Q: Activity 3: Solve Me! Directions: Solve the following problem. Write all your necessary solutions.…
A: (1) Identify the dependent and independent variable. The dependent and independent variables are…
Q: Which distribution should be used to construct the confidence interval? A. Use a normal distribution…
A: It is given that the data of size 25 randomly selected of the yards per carry for all running backs.…
Q: Sketch the graph that shows Zo.44 and then determine Zo.44- Click here to view page 1 of the normal…
A: Solution-: We want to sketch the graph that shows Z0.44 and then determine Z0.44=?
Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56…
A: The provided information is µ=56 σ=3.3 P(X>60) a.P(X-µσ>60-563.3)=P(z>1.21)=0.1131 (from…
Q: You may need to use the appropriate appendix table or technology to answer this question. Consider…
A: Given Sample mean=19.1 Standard deviations=2 n=50
Q: The lengths and weights of a zoo's pygmy shrews were recorded during their annual health check.…
A:
Q: The mean useful life of car batteries is 54 months. They have a standard deviation of 6. Assume the…
A:
Q: About % of the area under the curve of the standard normal distribution is between z=−2.713z=-2.713…
A:
Q: The manufacturer of a particular brand of tires claims that its deluxe tire averages at least 50,000…
A:
Q: Find E(X) and if students pay $500 per course plus a $100 per-semester registration fee., What is…
A: Amount paid for course fee=$500 Amount paid for per-semester registration fee=$100 The objective is…
Q: 2. Level of Mathematical Skills and the School Last Attended of Senior High School Students Level of…
A: The following information has been provided: Observed Values Approaching Proficiency (80-84)…
Q: State the hypotheses and identify the claim.
A: Stating hypotheses is the first step of the hypothesis testing inferential procedure.
Q: On a 9 question multiple-choice test, where each question has 3 answers, what would be the…
A:
Q: Use Slovin's Formula to compute for the value of n (number of samples) needed if the percentage of…
A: HERE USE SLOVI'S FORMULA AND STRATIFIED SAMPLING METHOD n = N1 + N e2
Q: 3. Use Slovin's Formula to compute for the value of n (number of samples) needed if the percentage…
A: Here use slovin's formula and stratified sampling method
Q: For Americans using library services, the American Library Association (ALA) claims that 67% borrow…
A: For Americans using library services, the American Library Association (ALA) claims that 67% borrow…
Q: Consider the following regression output: Ît = 0.2033 +0.656Xt se (0.0976) (0.1961) r² = 0.397…
A:
Q: A local government official observed an increase in the number of individuals with cardiovascular…
A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.....…
Q: Part: 2 / 4 Part 3 of 4 (c) n = 12, p=0.85 Mean: μ Variance: Standard deviation: = || =
A:
Q: a) State whether the following are true or false. i) In an LP problem, at least one corner point…
A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…
Q: Until your According to a study, brain weights of men in country A are normally distributed with…
A:
Q: A particular fruit's weights are normally distributed, with a mean of 583 grams and a standard…
A: To find: The heaviest 15% of fruits weigh more than how many grams?
Q: researcher wishes to estimate, with 95% confidence, the population proportion of adults who think…
A: Given that Margin of error =E =0.02 Population proportion p =20%=0.20
Q: You are interested in finding a 95% confidence interval for the average commute that non-…
A: Given data is: 8 8 28 7 22 13 24 8 24 8 24 Total number of students =11 a) as sample size is…
Q: The weights of items from a manufacturing process follow a normal distribution with mean 90 grams…
A:
Q: For the following question, type the solutions to each part of the question in the space provided at…
A: 58% of students entering four-year colleges receive a degree within six years. 162 of the 249…
Q: INSTRUCTION: Solve for the following. Show your complete solution and emphasize your final answers.…
A:
Q: What is the most logical order of interpreting statistical results? direction if available, p-value,…
A: First we set the direction like less than or greater than (if available), then calculate pvalue and…
Q: Find the 99% confidence intervals for the variance and standard deviation of the ages of seniors at…
A: The following information has been given: The sample size is n=29. The sample standard deviation is…
Q: pectancy in years of a given country (x). e results of the regression were: y=a+bx a=-0.887 b-0.055…
A: Given that a=-0.887 b=0.055
Q: For number 13, refer to the graph below: What section performed twice as better as the other…
A:
Q: Simplify 6². 6v. A. 6ª+v B. 6av C. 36a+v D. 36av
A: Solution-: We simplify 6a*6v=?
Q: A sample of size n=10 is drawn from a population. The data is shown below. 54.6 78.6 82.4 47.3…
A: Given n=10
Q: Identify the sampling method for each scenario. a. You randomly sample 200 households in your…
A: scenarios are given and we need to find out which sampling method will be used.
Make and solve a word problem with these following values:
population size (n)= 22
standard deviation (s) = 4.1
Confidence level= 98%
Length of confidence interval= ?
Step by step
Solved in 2 steps
