A study was conducted to assess the useful life of issued laptops for BPO company employees working from home in Metro Manila. The mean of the sample has been calculated as 5 years and 3 months with a standard deviation of 7.5 months. If it was found from the said study that the average life of the issued machine in all BPO employees working from home is bounded by the interval: 4.25 years < p < 6.25 years

Q: (c) Calculate a two-sided 95% confidence interval for true average degree of polymerization. (Round…

A: We have given data set, 418 420 422 423 426 427 432 434 437 439 445 446 448 451 455 461 465…

Q: Consider the following sample data. Sample A: Sample B: Sample C: 11, 19, 27 69, 77, 85 1,040;…

A: Given that: Sample A 11, 19, 27 Sample B 69, 77, 85 Sample C 1040, 1048, 1056

Q: (a) Assuming that σ₁ = 1.6 and ₂ = 1.3, test Ho: M₁ M₂ = 0 versus H₂ : ₁ - ₂ > 0 at level 0.01.…

A: Let μ1 and μ2 be the true mean tension bond strengths for the modified and unmodified mortars.…

Q: Weeks 10 8 7 6 50 4 3 2 1 2 3 4 5 Levels 6 7 8 9 10

A: We have given, Franco learning how to program computer games. For his final project, Franco is…

Q: 3. A sample of 30 UDM Chemistry students from the College of Science were given an IQ test. The…

A: Given that: Sample size, n=30 Sample standard deviation, s=12..23

Q: During the 24 hours production run, 1350 inspections were made and 15 nonconforming units were…

A: Given that Number of inspections made (n)=1350 Number of non conforming (X)=15 Then we have to find…

Q: Find the: a. mean b. median c. mode c

A: Given that Frequency distribution table  Class Frequency (f) Mid value (x) f⋅x cf 5-9 4 7 28 4…

Q: Sara Fox has started her own company, Foxy Shirts, which manufactures imprinted shirts for special…

A: Solution:-   Given that The cost of using the equipment is $250. The materials used in one shirt…

Q: 7. What is the median value from this set of numbers? 26, 34, 44, 56, 60, 71, 81, 90 56 57 58 60

A:

Q: highway mileage (mpg) for a sample of 8 different models of a car company can be found below. Find…

A: given data, sample size=8we have to find out the mean , median, mode and  standard deviation for the…

Q: Item#20 | Multiple Choice A negative Cpk value indicates that the average is: a. Outside the…

A: Given that A negative Cpk value indicates that the average

Q: The Process capability of a control chart for attributes is: a. Central Line or Average b. Cpk c. Cp…

A: We have given that The Process capability of a control chart for attributes is

Q: In a recent Gallup poll, pollsters randomly selected adults and asked them whether they smoke. Among…

A: The question is about inferential stats Introduction : Statistic : It is a numerical value which…

Q: Ten UW students were polled regarding the amount of sleep they get on the weekdays vs. the weekends.…

A: The given data is as follows. Wednesday Friday 6 4.5 5.5 6.5 6 9 7.5 4 7 5 6 6 5.5…

Q: As a project for his statistics class in Spring 2001, Ahmed was supposed to take a random sample of…

A: Given information: The sample size, n=30.

Q: The mean age and median age of 5 people in a room is 40 years. A person whose age is 20 years leaves…

A: Total people in room = 5  Mean age = 40 Median age = 40 A person leaves the room whose age is 20

Q: Assume that a sample is used to estimate a population mean μ. Find the margin of error M.E. that…

A: Given that n=83, x¯=48.8, s=8.2, confidence level=0.95. In this problem, σ is unknown. The…

Q: The gasoline price often varies a great deal across different regions across country X. The…

A: Given The data is as follows: A B C 3.77 3.83 3.78 3.72 3.83 3.87 3.87 3.85 3.89 3.76…

Q: The following data represent the yield on 30 consecutive batches of ceramic substrate to which a…

A: Given data: 71.7, 72.1, 72.1, 72.1, 73.1, 73.9, 74.2, 75.3, 76.2, 78.5, 79.2, 79.2, 80.1, 80.5,…

Q: Use the function cumsum() to calculate the cumulative sumation of the elements of the vector v =…

A: As per Asking in the above problem wd have solved cumulative sum of the following vector…

Q: how do you know to divide it by 1000

A: It is given that the number of people diagnosed with AIDS in 2010 in 6 regions and the population of…

Q: Please explain to me where did the circled answer ( 0.1265) come from. Thanks! Here’s the problem:…

A: Z is known as standard normal variable and it's probability value is obtained using standard Normal…

Q: Assume that a sample is used to estimate a population mean μ. Find the 95% confidence interval for a…

A: The information provided in the question are as follows : Sample size (n) = 1017 Sample mean (x̄) =…

Q: How many different three-digit numbers can be made from 1, 3, 5, and 7, if you can not repeat any…

A: The total number of digits is 4. They are, 1,3,5 and 7.

Q: Construct a frequency distribution for the given data set using 6 classes. In the table, include the…

A: The question is about frequency distribution Given :   To find : 1 ) Construct freq. table 2 )…

Q: 1.       Confidence Intervals for the Average Relative Skill of All Teams in the Assigned Team’s…

A: Given information: The 95% confidence interval for the average relative skill of teams in the Bull's…

Q: A poll of 1169 college students found that 86% said colleges should do away with final exams. What…

A: given data n = 1169p^ = 0.86

Q: A a. u Chart b. c Chart c. X Chart chart for count of nonconformities per unit is called: d. R Chart

A: Here we have to identify the correct option from the given information

Q: 8. Estimated slope and intercept Identify a likely pair of numbers for 30 and 31 in the relationship…

A: The objective is to identify the values of β0 and β1 in the relationship Y=β0+β1X+∈, where, β0 is…

Q: Population Forecast by Different Methods Problem: Predict the population for the years 1981, 1991,…

A: Given data: Year 1901 1911 1921 1931 1941 1951 1961 1971 Population 60 65 63 72 79 89 97 120…

Q: You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe…

A: The standard deviation of the distribution of the population is given as: σ=66.3. The desired level…

Q: Why is it necessary for a sample to be obtained randomly rather than conveniently?

A: Since we know that Random sampling makes.  sure that the findings you get from your sample should be…

Q: A researcher is interested in the relationships between variables in a demographic information…

A: From the given output, The correlation between Age and the number of children is -0.323 with the…

Q: Sandra is writing an article and taking pictures for the school newspaper. She chooses three…

A:

Q: Create a frequency distribution table from the stem leaf below using classes 10-20, 21-30,…

A: Introduction The stem and leaf plot represents the quantitative data in a graphical form.

Q: Although this sample of data is too small to be sure, which of the following distributions is most…

A: Given X={5,7,7,9,12,14,16}

Q: There are six movies and three books that Caleb wants to watch or read over his summer vacation. a.…

A: Given information: There are six movies and three books that Caleb wants to watch or read over his…

Q: To perform during the improvisation section of their concert, the director of the school jazz band…

A:

Q: How would i write down and report the info of the mean,standard deviation,confidence interval,r…

A: The data is on measure 1 and measure 2 having 30 observations. To interpret all the results in the…

Q: According to a recent study, 30% of American adults will not sit on a public toilet seat. You are…

A: The question is about sampling dist. Given : Popl. prop. of adults will not sit on a public toilet…

Q: Laura is on vacation and has packed 4 blouses that a red, green, blue and yellow. She has 2 pairs of…

A: We have to draw tree diagram for given event.  Total possible outcomes = (4)(2)(2)= 16

Q: polynomial in standard for 2+3x^(2)+4x Submit Answer

A: Basic concepts of probability are used.

Q: 25.1, 22.3, 21.8, 17.1, 19.4, 29.2, 21.4, 26.5, 16.7, 19.4, 20.5 Construct a 90% confidence interval…

A: From the provided information, Sample size (n) = 11 Confidence level = 90%

Q: 4. Given the diameter of 100 rods produced by particular machine: Diameter (cm) No. of rods 21 29 11…

A: Given that: Class Frequency 4 - 6 21 7 - 9 29 10 - 12 11 13 - 15 30 16 - 18 9

Q: Find the expected value of the winnings from a game that has the following payout probability…

A: Given that  Probability mass function of X is x 1 2 5 8 10 P(X=x) 0.35 0.2 0.1 0.2 0.15

Q: The mean age when smokers first start is 13 years old with a population standard deviation of 2…

A: From the provided information, Sample size (n) = 31 Sample mean (x̄) = 12.4 Population standard…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.5% confidence…

A: Given The data is as follows: CL=99.5% Sample size, n=111 No. of successes, x=77

Q: (1) Compute the test statistic for testing for the significance of the following predictor(round off…

A: Solution:

Q: there is no solution

A: Note: According to Bartleby guidelines, we can solve maximum of three subparts in a question and…

Q: The table below represent the scorer of 40 students in a long quiz. Class Interval Frequency Class…

A: Given that  Frequency distribution table  Class interval  Frequency  5-9 4 10-14 2 15-19 6…