In statistics, we come across problems such as measures of positions, measures or center, and measures of position. Write two problems of either one of these topics and how you solved them.

Q: (c) Find the probability that all four tires have low air pressure. The probability that all four ti...

A: Here given probability distribution of X X = no of tire with low air pressure 

Q: An simple random sample (SRS) of 100 laborers who use the services of a national temporary employmen...

A: In this case, a sample of 100 laborers is selected.

Q: The weights of new born black bear cubs are uniformly distributed with minimum of 245 and maximum of...

A:

Q: A sociologist is studying the effect of having children within the first two years of marriage on th...

A: From the provided information, Margin of error = ±2% = 0.02 Confidence level = 90%

Q: An agricultural researcher plants 50 plots with a new variety of potatoes. A 90% confidence interval...

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Q: Suppose that a random sample of eleven recently sold houses In a certaln city has a mean sales price...

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Q: 5. Suppose there are n trials in a binomial experiment, but 0 is unknown. Let X be the random variab...

A: c) From the given information, EX=nθVX=nθ1-θ Consider, EXn=1nEX            =1n*nθ            =θ  

Q: Q4. The following shows the expressions for computing two C.I. from a Normally distributed populatio...

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Q: . A raffle sells 100 tickets at $5 a piece. There is one $500 prize, five $100 prizes, and ten $50 p...

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Q: Find out the variance of the following series : Income No. of Persons More than 1000 More than 900 M...

A: Solution-: We have following table: Income No. of persons More than 1000 0 More than 900 50 ...

Q: A hospital wants to be 95% confident that its error is less than two hours in estimating the average...

A: Here given margin of error less than 2 hour Confidence level = 95%

Q: To determine whether or not they have a certain disease, 104 people are to have their blood tested. ...

A: Here for group of 13 people probability that 1 test is required =P(none of 13 have disease) = (1-0.0...

Q: Tai Chi is often recommended as a way to improve balance and fliexibility in the elderly. Below are ...

A: Confidence interval is an interval so that the probability of the unknown parameter to be included i...

Q: Calculate the quartile co-efficient of skewness of the following distribution : Variate (x) :1-5 6-1...

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Q: Sequential Runoff Method Below are the results of an election for the congressional 4th district of ...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: What is the probability that the next person you meet was not born in July?

A: Here we have to calculate the probability that the next person you meet was not born in July. Assume...

Q: The heights of young American women, in inches, are approximately Normally distributed with mean µan...

A: Given,standard deviation(σ)=2.4margin of error(E)=1α=1-0.99=0.01α2=0.005Z0.005=2.58    (from Z-table...

Q: Administrators at Texas A&M University were interested in estimating the percentage of students who ...

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Q: Given are the scores of 10 employees from their 20-point assessment 16 18 10 8 12 15 19 17 16 7 Calc...

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Q: Suppose the reaction temperature X (in °C) in a certain chemical process has a uniform distribution ...

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Q: According to a study done by UCB students, the height for Martian adult males is normally distribute...

A: Solution

Q: Determine whether the random variable X has a binomial distribution. If it does, state the number of...

A: Given that  Determine whether the random variable X has a binomial distribution. If it does, state t...

Q: Let X and Y be independent and normally distributed RVs with the same PDF Find the PDFS of: (i) X+ Y...

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Q: Let Y1, Y2, Yn be a random sample from a Normal distribution with mean µ and variance o?. T · , (n-1...

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Q: (b) What is the probability than an asthma patient is less than 1 year old? The probability that an ...

A: b) The number of asthma patient is less than 1 year old is 7870.

Q: Rahmat Pasta Sdn. Bhd. is a company that specializes in producing healthy pasta for kids in Malaysia...

A: Question: Let us first formulate the equations Let x,y,z be the number of boxes of Simple Dimple Pas...

Q: Q2. The Normally distributed random variable X has an unknown mean and an unknown variance, o? i.e. ...

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Q: Here are measurements (in millimeters) of a critical dimension on an SRS of 8 of the more than 200 a...

A: We assume the data is normally distributed. 

Q: A pediatrician obtains the heights of her 200 three-year-old female patients. The heights are approx...

A: GivenMean(μ)=38.72standard deviation(σ)=3.17

Q: Given a sample size of 400 with a mean of 80 and the population standard deviation is found to be 35...

A: We have given that,  Sample mean (x̄) = 80, population standard deviation (σ) = 35 and sample size (...

Q: (d) Is the outlier influential? Explain. (Choose one) ▼ removing the outlier (Choose one) the positi...

A: Is the outlier influential? Explain.

Q: 2) The student body of 120 students wants to elect three representatives. 4) The batting order for s...

A: Cr=n!n-r!×r!nPrn=n!n-r!

Q: Consider an experiment with sample space S = {A, B, C, D}. If P(A) = 0.1, P(B) = 0.45, and P(AUC) = ...

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Q: Why is the null hypothesis for regression usually B- 0?

A: The regression analyzes the relationship between the predictor or independent variable and the depen...

Q: A bank wants to estimate the difference in the proportion of its "big" customers who have a second a...

A: Given : n1 = 200 x1 = 160 n2 = 300 x2 = 120

Q: If a die is rolled one time, what is the probabilities of each outcome: a. getting a number greater...

A: GivenA die is rolled one timethen the outcomes are{1,2,3,4,5,6}Total no.of outcomes = 6

Q: Stress at work: In a poll about work, 84% of respondents said that their jobs were sometimes or alwa...

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Q: In the Standard Normal distribution of Z, Z ~ N(0,1), find the Z value Zo.025 such that Pr(Z<Zo.025)...

A: Given that  Z follows standard normal distribution with mean =zero and standard deviation =1 Z~N(μ= ...

Q: In a normal distribution with a mean of 72 and a standard deviation of 12 what is the probability th...

A: Given,mean(μ)=72standard deviation(σ)=12

Q: Determine whether you can use the normal distribution to approximate the binomial distribution. If y...

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Q: A local TV station conducted a "Pulse-Poll" about the upcoming mayoral election. Evening news viewer...

A: Explanation: here given the think of station faulty prediction more likely Here based on the above s...

Q: lustration 40. Given that: N= 10, Total Variation = E(Y-Y² = 38.92 and Unexplained variation = 2(Y-Y...

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Q: Determine if the following data is approximately normal using the Pearson coefficient of skewness. 2...

A: The coefficient of skewness is used to measure whether the distribution is skewed. There are two met...

Q: Why is the null hypothesis for regression usually B 0?

A: The null hypothesis for regression usually β=0

Q: Pay your bills: In a large sample of customer accounts, a utility company determined that the averag...

A: Given Data : Population Mean,μ = 31 Population Standard Deviation,σ = 5

Q: 3 with graph

A: The z test are used to measure the mean significance exist between the sample and population. Used w...

Q: Four different designs for digital computers circuit are being studied to compare the average amount...

A: Given: Output of ANOVA Table MSE=73.20N=20k=4α=0.05

Q: Use the table to find the probabilities for a juice chosen from the shelf at random. P(less than 40...

A:

Q: Fewer young people are driving. In year A, 65.9% of people under 20 years old who were eligible had ...

A: Given that, For year A, P hat = 0.659, For year B, P hat = 0.457, n = 1600 (a)At 95% confidence, wha...

Q: Compute the following probabilities for the standard normal distribution Z. A. P(0 -1.1)-

A: We have compute the following using standard normal table