ppose you are going to randomly sample 1 individual from a population of 160 people. In the population, there are 50 children younger than 12, 70 teenagers, and 40 adults. What is the probability the individual you select will be a teenager or an adult? Show solution.

Q: Q4. In order to inspect the quality of steel poles production we have selected 20 metal columns from…

A:

Q: Prof. Jacob wants to know, with 90% confidence, the proportion of students who like to eat in the…

A: Given, Confidence interval, α = 90 Sample proportion, p^ = 0.62 Margin of error, M.E = 0.025

Q: A popular restaurant takes a random sample of 25 customers and records how long each occupied a…

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Q: from a population given by 1 for x> 8 g(x; 0,8) = elsewhere ind estimators for 8 and 0 by the method…

A: Solution

Q: The business college computing center wants to determine the proportion of business students who…

A: Given,n=300x=125p^=xnp^=125300=0.41667α=0.01

Q: X+ta/2(n – 1)ja X† Za/2 n are used to estimate the population mean. These estimators can be used…

A: Given: For t distribution: CI=x¯±t(α2, df)*sn for z distribution:. CI=x¯±z(α2)*sn

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A: Given that, The route used by a certain motorist in commuting to work contains two intersections…

Q: According to a study, there is an increase on average monthly expenses of ₱250.00 for cell phone…

A: We have given that,  Sample size = 60, average = 280.00, and population standard deviation = 77.00…

Q: Test the claim that there is strong correlation between a person  daily income and how many hours…

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Q: 1) Speeds of vehicles at a certain highway location are normally distributed with a mean of 66.4 and…

A: Given 1)mean=66.4 Standard deviation=8.8 Given  2)ME=1.5% P=0.32 q=0.68

Q: Example 52. A committee consisting of 5 members is to be formed out of 6 men and 4 women. How many…

A: Given,no.of men=6no.of women=4Total no.of members=10

Q: The value added and subtracted from a point estimate in order to develop an interval estimate of the…

A: Confidence interval is the range of values use to estimate true population parameter.

Q: What are the characteristics of a normal distribution? What two characteristics make a distribution…

A: Given that  What are the characteristics of a normal distribution?   What two characteristics make a…

Q: *Questien Comptetion Stanu LSL USL Within 0.854 Overall Within 8 Cp CPL 0.856 CPU 0.852 0.852…

A: Here's, we know when we have Cp < 1 then process is not in control.

Q: The table below is a measure of how many ounces of caffeinated coffee a person drinks and how much…

A: Solution-: Let, X=Ounces of coffee and Y=Hours of sleep We want to find, (a) Give the Pearson…

Q: The average weight loss in following the ketogenic diet after 30 days of strict compliance is 6…

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Q: a mean weight of 32 ounces. Assume the population what is the maximal margin of error associated…

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Q: Which of the statements below is true about the standard error of the sampling distribution of the…

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Q: Example 53. In an examination a candidate is required to answer 6 out of 10 questions which are…

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Q: PQ2

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Q: Q5. A simple random sample of 450 residents of Payatas is taken to estimate the proportion of people…

A: Given information We have given that; in a random sample of 450 residents of Payatas is taken to…

Q: What is the formula for finding the z-score? The z-score of the mean is always z =

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Q: True or False: Statement A: The sampling distribution of a statistic is the probability distribution…

A: Here, we know that sampling distribution is not probability distribution then statement A is wrong.

Q: Example 44. A committee of 3 experts is to be selected out of a panel of 7 persons; three of them…

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Q: A researcher believes that 52% of people who grew up as the only child have an IQ score over 100.…

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Q: A new music venue in the city wants to know what kind of music students prefer. To research, they…

A: There are 3 independent samples which are pop, alternative, or country music. We have to test…

Q: what about line number 4?

A: The ascending order of the given data set is, 15, 17, 18, 19, 22, 25, 26, 26, 27, 33, 35, 50, 60 The…

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Q: I can't understand your hand writing, please give me an organize one. Thanks

A: We have given thatMean(µ) = 75 Sample size (n) = 24Sample mean (x̅) = 70.23Standard deviations (s) =…

Q: E Homework: Homework 4.3 Given that x has a Poisson distribution with u= 0.9, what is the…

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Q: 2. The following data were obtained in a study of the relationship between the weight and chest size…

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A: There are two dependent samples which are after 3 days and after 6 days. We have to test whether the…

Q: Assume

A: Given, The X units are dollars($)

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Q: Scottish Hill Climb races We want to predict the record time for men in a Scottish Hill Climb race.…

A: The objective is to identify the independent variable (i.e., the predictor variable), which may be…

Q: The data below is how much money an ice cream store makes and what the max temperature was at that…

A: Given: Temperature  Dollars made 98  4256 86  5235 95  5125 103  4896 62  3586 77…

Q: .V. Co. has an average sale of ₱37 million per week from their products in all their outlets. An…

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Q: For a confidence level of 95% with a sample size of 18, find the critical t value.

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Q: Explain how statistics feed into the design and interpretation of simulation models Please do fast…

A: Simulation research is a computer experiment in which data is generated by pseudo-random sampling…

Q: These are the times, in minutes, that a group of people took to answer a Sudoku puzzle. 5, 4, 11, 8,…

A: We have given data are 5,4,11,8,4,43,10,7,12  Here we have to apply appropriate measure of central…

Q: Pain after surgery: In a random sample of 53 patients undergoing a standard surgical procedure, 25…

A: (a)

Q: For a left-tailed test conducted using a sample greater than 30, and 89.8% confidence level, the…

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Q: A quality control specialist at a plate glass factory must estimate the mean clarity rating of a new…

A: From the given information we want to know correct Option.

Q: Find the median, first quartile (Q1) and the third quartile (Q3) for the data shown, which is…

A: The sorted data is, 5.8, 9, 9.7, 13.4, 15.1,18.6, 24.9, 25.5, 27.5, 29.6 The number of observations…

Q: A jar contains 6 red marbles, numbered 1 to 6, and 12 blue marbles numbered 1 to 12. Find the…

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Q: The number of typographical errors per page of a certain newspaper has a Poisson distribution, and…

A: It is given that the number of hypographical errors per page follow Poisson distribution with…

Q: Listed below are numbers of Internet users per 100 people and numbers of scientific award winners…

A: The independent variable is Internet users. The dependent variable is Award winners. We have to do…

Q: You wish to test the following claim (H1H1) at a significance level of α=0.10α=0.10.…

A: Solution-: Given: μ0=51.8, x¯=42.4, n=19, s=13.2, α=0.10 Hypothesis: To test, H0:μ=μ0=51.8 Vs…

Q: Do People Think the Sun Goes around the Earth? In the 2018 General Social Survey, people were asked…

A: According to our policy we can answer only first three part for remaining please repost the…

Q: The mean replacement time for a random sample of 12 cd players is 8.6 years with a standard…

A: