Use the given to find the minimum sample size required to estimate a population proportion or percentage. Margin of error :0.09, confidence level 95%; p and Q unknown

Q: The data below are the scores of the students in the 45-item statistics exam. 16 22 26 28 29 31 35…

A: The given data represents the scores of the students in the 45-item statistics exam. (a) The…

Q: [A. niger] Instructions: Kindly compute for the t-test, table, and its interpretation. Raw data is…

A: Given information: Plate No.  Positive Control (mm) – Nystatin Experimental (mm) - Basil leaf…

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A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

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A: Given (A) Height Frequency 64-69 5 70-75 2 76-81 6 82-87 4 88-93 3 (B) Population…

Q: a company manufactures a total of 8000 motorcycles a month in three plants A, B and C Of the 8000…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) > 0 for all i = 1,…

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A: The following information has been given: Physicians/10,000 people   (x) Life expectancy (y)…

Q: Use the given data to find the equation of the regression line. Examine the scatterplot and identify…

A: Given: Sr. No. x y 1 11 7.39 2 9 6.52 3 13 12.69 4 9 7.28 5 10 7.68 6 14 8.88 7 6…

Q: A local department store took a random sample of 64 charge accounts and found that the average…

A:

Q: Find the t-score for a sample of size 18 taken from a population with mean 9 when the sample mean is…

A: It is given that  Population mean = 9 Sample mean = 12 Sample standard deviation = 1.5 Sample size =…

Q: The data below are the scores of the students in the 45-item statistics exam. 16 22 26 28 29 31 35…

A: Given information: n=40Ana's score=38

Q: 1. A researcher would like to compare the acidity level of five brands of yogurt that being sold in…

A: Note: As per guidelines we will solve the first question only, please repost other questions for…

Q: An oil company sends out monthly statements to its customers who purchased gasoline and other items…

A: From the provided information, Sample size (n) = 150 Sample mean (x̄) = 9.16 Standard deviation (s)…

Q: A researcher wishes to estimate the proportion of adults who have​ high-speed Internet access. What…

A: Given,margin of error(E)=0.04α=1-0.95=0.05α2=0.025Z0.025=1.96    (from Z-table)

Q: P (more than 6 will fail) =

A: If an experiment has only two outcomes, they follow binomial distribution. It has two parameters,…

Q: The diagram shows the results of four different experiments using a dartboard.  Which one is an…

A: Experiments

Q: 8. Suppose people enter a waiting room according to a Poisson process of rate A. Whenever there is a…

A: we have given that,  X = entering in a waiting room follows poisson with parameter λ therefore, pdf…

Q: 3. Use Slovin's Formula to compute for the value of n (number of samples) needed if the percentage…

A: here slovin's Formula  n = N1 + Ne2   N= population  =  2070  e= error = 4% =0.04

Q: Given that: Population mean, μ = 8 Sample mean, x = 7.9 Population standard deviation, o = 0.6…

A: Given, Population Mean μ=8 Population standard deviation σ=0.6 sample mean x¯=7.9 sample size n= 33…

Q: For the points below find the regression line using least square fit. Please draw the full table as…

A: Given Information: Consider the given dataset: x y 1 10+6=16 2 6 3 9 4 100-6=94 5 22…

Q: In Summit County, 60% of the voter population are Democrats. What is the probability that a random…

A: Givenp=0.60n=10Let "x" be the no.of Democrats contain in a…

Q: ** Let os be the median of a symmetric distribution that is of the contuous type. To test, with a =…

A:

Q: According to the April 26, 2017, USA Today Snapshot "Math Challenge," 82% of college students…

A: Sample size(n)=150 p=0.82

Q: Length of confidence interval=

A: It is given that  Population size, n = 22 Standard deviation, s = 4.1 Confidence level = 98%

Q: 8. Solve for the percentage of error given that the population is 21000 and the sample size is 500.…

A: Slovin's formula for defining sample size is: n=N1+Ne2Where, n= sample sizeN=population…

Q: For a certain group of individuals, the average heart rate is 74 beats per minute. Assume the…

A:

Q: 1.x = 50 μ=45o = 8 Find the area to the right. 2 x= 109 μ=116=2.7 Find the area to the left.…

A: 1. It is given that the mean is 45 and the standard deviation is 8.

Q: X₁, X2, ..., xn is a random sample from the population that follows a Poisson distribution with the…

A: “Since you have posted a question with multiple sub-parts, we solve first sub-part for you as per…

Q: Work Time Lost due to Accidents At a large company, the Director of Research found that the average…

A: Formula : CI= x̄ ± E

Q: a) test the normality b) Plot the residuals versus 'y. use R

A: Regression analysis

Q: The process engineers have designed our drink process with an upper spec or tolerance of 46 ounces…

A: Given information: Lower specification limit=42Upper specification limit=46…

Q: Home Ownership Rates The percentage rates of home ownership for 8 randomly selected states are…

A: Mean is the measure which use to determine the central measure. It is calculated by averaing all the…

Q: For the points below find the regression line using least square fit. Please draw the full table as…

A: Given the data as x y 1 11 2 6 3 9 4 49 5 22 6 20 7 30 8 30 9 35 10 39

Q: A clinical trial tests a method designed to increase the probability of conceiving a girl. In the…

A: Solution

Q: Supppose an intern in the quality department of a manufacturing company is tasked with propposing an…

A: Cpk and Cp: Cp and Cpk both are the process capabilities. The process variation is accounted for by…

Q: In a recent year, a study found that 75% of adults ages 18–29 had internet access at home. A…

A: The following information has been provided: The population proportion is p=0.75 The sample size is…

Q: A national internet service provider (ISP) claims that its broadband internet download speed is 200…

A: The question is about hypo. testing for a popl. mean Given : Popl. mean of broadband internet…

Q: Suppose among residents of Connecticut, 20% own 2 or more Apple products. We would like to see if…

A: From the provided information, Sample size (n) = 100 From which 19 own 2 or more Apple products.

Q: Hectic Repair Org. HRO) helps repair homes that are structurally weakened by minor earthquakes.…

A: Given that, the estimate of standard time to perform a preliminary damage assessment after an…

Q: Suppose that the amount of time that students spend studying in the library in one sitting is…

A: As per our guidelines we can solve first three sub part of question and rest can be reposted.…

Q: Which of the following result is the strongest correlation? r=.68, p=.03

A: Correlation:  The extent of linear relationship between two variables is called as correlation.…

Q: When the following data is displayed in a frequency table of 6 classes, the class length will be:

A: Here number of classes = 6

Q: For the points below find the regression line using least square fit. Please draw the full table as…

A: Given Information: Consider the given data: x y 1 10 2 6 3 9 4 50 5 22 6 20 7 30…

Q: Another experiment on the spacing effect, this time on a watermelon tree, used five different levels…

A: Given: 2x2 2.8x2.8 3x3 3.5x3.5 4x4 7 12 14 19 7 7 17 18 25 10 15 12 18 22 11 11 18 19 19…

Q: A recent study indicated that 24% of the 150 women over age 55 in the study were widows. Round up…

A: Given That  Margin of error =E =0.02 Population proportion p=24%=0.24 90% confidence interval.

Q: Instructions: Read and analyze each problem carefully. Write your complete solution on a short/long…

A: The given data is:

Q: ing time of the necklace following the cooling process (30 minutes and 45 minutes). e for the…

A: *Answer:        A B C Samples Mean 1 A1 B1 C1 10.7 10.8 11.3 10.93333 2 A2 B1 C1 11.4 11.8…

Q: Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence…

A: The following information has been given: The sample size is n=269. The sample proportion is p^=0.52

Q: Determine the goodness of fit of a binomial distribution to the following data, using a significance…

A: Given that  X      f  0    30 1     62 2      46 3      10 4       2   We have to conduct chi square…

Q: A physicist claims that the average wind speed in a certain city is 8 miles per hour. A sample of 33…

A: Population mean μ=8, n=sample size=33, sample mean x̄=7.9, population standard deviations σ=0.60,…

Q: If the auto parts sales have increased, find the probability that car sales will also increase…

A: The probability that car sales will increase next month is 0.45. The probability that sale of auto…