What is the second smallest number?
Q: You are performing a two-tailed t-test with a sample size of 31 If a α= 0.05, find the positive…
A: Given n=Sample size=31 Level of significance=α=0.05
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A: Note: As per the guidelines, we are solving first question for you. Kindly re post the question and…
Q: In a box, there are 8 red, 7 blue and 6 green balls. One bal' is picked up randomly. What is the…
A: In a box,there are 8 red , 7 blue and 6 green balls.total number of balls in a box=21
Q: Suppose x has a distribution with a mean of 60 and a standard deviation of 9. Random samples of size…
A: Given data is Mean(μ)=60standard deviation(σ)=9sample size(n)=36
Q: In 1977, men who were under 50 years old had a mean weight of 175 pounds, with a standard deviation…
A: Given: mean(μ)=175standard deviation(σ)=18
Q: What is the final conclusion?
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Q: ot clear to me how did you find questio
A: Given: Mean years of service = 14.88889
Q: 4) Give a real-life example of a time when it would be better to use the median instead of the mean.…
A: Solution-: Give a real life example of a time when it would be better to use the median instead of…
Q: Provided below are summary statistics for independent simple random samples from two populations.…
A: To apply the pooled t test and pooled t interval we need to prove that the population variances are…
Q: Noah wants to advertise how many chocolate chips are in each Big Chip cookie at his bakery. He…
A: Suppose µ is the population average number of chocolate chips per cookie for Big Chip cookies.
Q: Formulas: np;√√np(1 − p) ; - p(1-P) n ; Here is the quick link to the scientific calculator , and…
A: Given,sample size(n)=130sample proportion(p^)=0.38
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A: A confidence interval provides a set of likely values for an unknown variable based on a research…
Q: When working on a normal distribution other than the standard normal distribution you need to either…
A: Suppose a random variable X, defines the IQ score.
Q: In a class with 40 students, 24 are girls and 16 are boys. In the final exam, 2 girls and 2 boys…
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A: Given data is9.3,8.8,10.1,8.5,9.4,9.8,10.0,9.9,11.2,12.1sample size(n)=10
Q: manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.3 years,…
A: Given that A manufacturer knows that their items have a normally distributed lifespan. Mean (μ) =…
Q: 2) A class has 25 students. Each day, three students are chosen to present their work at the board.…
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Q: Suppose that 48% of all voters prefer the Democratic candidate. Let X be the number of people who…
A: Givenp=0.48sample size(n)=20
Q: need
A: The mode of the dataset is equal to the most frequent value of the data i.e value which occurs…
Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the…
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Q: The distribution of z-scores corresponding with a population of scores always has a variance of…
A: To Find: The distribution of z-scores corresponding with a population of scores always has a…
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A:
Q: You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time…
A: Given datan=81x¯=3.59s=0.9μ=3.7
Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. Η :μ = 66.8 Ha: μ >…
A: Given information Sample mean M = 74.9 Population mean µ = 66.8 Sample size n = 8 Standard deviation…
Q: A woman sued a computer keyboard manufacturer, charging that her repetitive stress injuries were…
A: Given data: Data 31 60 75 115 135 140 149 150 236 290 340 410 600 750…
Q: The variance is equal to: Is The data below represents the ages of a sample of individuals who were…
A: Given data is 11,3,15,22,26,28,15,11,6,11,4,22,5sample size(n)=13
Q: . Determine the p-value and interpret its meaning. The p-value is enter
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Q: a- using the expected value method, b- using the standard deviation c-using Coefficient of variation…
A: a) Alternative A E[X]=0.2*30,000+0.5*25,000+0.3*20,000 =24,500 Alternative B…
Q: Question 2: As an industrial engineer, you are responsible for selecting sources of supply for…
A: Given: Defect rate is 24% Number of subassemblies is 55.
Q: The body temperatures in degrees Fahrenheit of a sample of adults in one small town are: 97.4 97.8…
A: Suppose µ is the population mean body temperature of adults in the town.
Q: he method of tree ring dating gave the following years A.D. for an archaeological excavation site.…
A: Given, The method of tree ring dating gave the following years A.D. for an archaeological excavation…
Q: 2) A public health organization reports that 40%of baby boys 6-8 months old in the States weigh more…
A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…
Q: aired sample t test can be used in an analysis involving pre-test and post-test data or in…
A: Solution-: Paired sample t test can be used in an analysis involving pre-test and post-test data or…
Q: A researcher is interested in finding a 90% confidence interval for the mean number of times per day…
A: Givensample size(n)=127Mean(x)=29.3standard deviation(s)=14.4confidence level = 90%
Q: To compute the confidence interval use a distribution. b. With 95% confidence the population mean…
A: It is given that The data in discrete form of size 11 is 15 12 9 25 20 9 6 10 7 26 27
Q: 9. When conducting a hypothesis test, a negative test statistic means that A. the P-value will be…
A: “Since you have posted multiple questions, we will solve first question for you. To get the…
Q: The mean area of the several thousand apartments in a new development by a certain builder is…
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A: Given equation is 7.5x-3.3y-4.8=0 Find both the x-intercept and the y-intercept
Q: Suppose we are testing the null hypothesis Ho : μ = 32 and the alternative hypothesis H₁ : µ‡ 32,…
A: Given , Hypothesis : H0 : μ = 32 H0 : μ ≠ 32 It is two tailed test. Since population standard…
Q: Assume that a sample is used to estimate a population mean . Find the 99% confidence interval for a…
A: Givensample size(n)=376Mean(x)=16.8standard deviation(s)=15.9Confidence interval = 99%
Q: Out of 300 people sampled, 279 had kids. Based on this, construct a 90% confidence interval for the…
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Q: Janice and Paul did a study on feelings of stress and life satisfaction. Participants completed a…
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Q: P(z -1.3)
A: Note that, for z-distribution (standard normal distribution), the mean is 0 and the standard…
Q: p(1-P) n Formulas: np; √np(1 - p); Here is the quick link to the scientific calculator , and from…
A: The question is about sampling dist. for popl. prop. Given : Popl. prop. of households spends more…
Q: If I tell you that you scored at the 85th percentile know:
A: Here use definition of percentile Percentile represents the how much data below or at that value…
Q: Find the false positive rate and the false
A: here given , A medical research team wished to evaluate a proposed screening for diabetes. The test…
Q: a. What is the distribution of X?X - ? @ Please show the following answers to 4 decimal places. b.…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: under what circumstances we should use these statistical methods: Z-Test One sample T-test…
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Q: A real estate agent Jennifer Nguyen was asked to analyze the one-bedroom condo prices in the GTA.…
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Q: Airline Tickets (Example 20) The distance (in kilometers) and price (in dollars) for one- way…
A: Note: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we…
A data set has five values. The smallest value is 5, the mean is 12.6, the median is 11, and the
What is the second smallest number?
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