2. A random sample of 83 reconstructed clay vessels from the Turquoise Ridge archaeologica indicated the standard deviation of diameters to be approximately 5.5cm. How many (total) a many more clay vessels must be found and reconstructed to be 95% sure that the sample mea diameters is within 1cm of the population mean of all such reconstructed clay vessels? n = _ total, n = more

Q: 5. The manufacturer of an extended-life lightbulb claims the bulb has an average life of 12,000…

A: Given: Light bulbs average life =12,000 hours. Standard deviation =500 hours To find: To find the…

Q: 4. A researcher knows that the average height of Filipino women is 1.53 m. A random sample of 26…

A: For the given data Perform t test for one sample mean

Q: If 80% ·of an ore stockpile consists of copper ore particl~s (the material or value) and 20% of…

A:

Q: Suppose that the weights of 3200 registered female Great Danes in the United States are distributed…

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

Q: The number of Grade 11 learners per section in Kasiglahan Village Senior High School has a mean of…

A: The population mean is 56.3. The population standard deviation is 8.6. We have to write which…

Q: a random sample is selected from a population with a standard deviation of 18. On average, how much…

A: We have to find standard error for given data.

Q: Suppose a population has a mean of 400 and a standard deviation of 24. If a random sample of size…

A: Given that, mean = 400 standard deviation =  24 n = 144

Q: 2. Suppose the wait times at doctor's office are normally distributed, with mean of 30 minutes and a…

A: Let, X= wait time in office μ=mean=30 σ= sd=10

Q: 2- Bob takes on average of 50.5 hours uniformly distributed to to finish a portrait in his studio…

A: Given information- Population mean, µ = 50.5 hours Population standard deviation, σ = 10.5 hours…

Q: Suppose, according to a 1990 demographic report, the average U. S. household spends $90 per day.…

A:

Q: Nationally, social workers average 10.2 years of experience. In a random sample, 203 social workers…

A:

Q: 7. A researcher wants to estimate the mean income of all physicians in a city at a 95% confidence…

A: Given,standard deviation(σ)=17500margin of error(E)=5000α=1-0.95=0.05α2=0.025Z0.025=1.96    (from…

Q: 4.The lengths of trout in a certain lake are normally distributed with a mean of 7 inches and a…

A: For Normally distributed data, mean and standard deviation have given. Minimum size of sample…

Q: Suppose a population has a mean of 400 and a standard deviation of 24. If a random sample of size…

A:

Q: If a student computes the standard deviation that was due to the analysis error from a homogenous…

A: Given SD from homogenous sample = 0.04 SD from heterogeneous sample = 0.05

Q: A population which has a size of N=100 has a mean of 50 and a standard deviation of 10. What is the…

A:

Q: In a normal distribution with mean 375 and standard deviation 48, how large a sample must be taken…

A: It is an important part of statistics. It is widely used.

Q: 4. In studying ocean conditions, the Bureau of Fisheries found that for one location, the August…

A: Given ,Mean μ = 83.6Standard deviation σ=24Let  x be temperature normally distributed

Q: 1. The average height of the students in a famous college in the city is unknown but the standard…

A: 1. The population standard deviation is 0.8, sample size is 49, and sample mean is 6.1. Computation…

Q: 7. The average local cell phone call length was reported to be 2.27 minutes. A random sample of 20…

A: Given data: Mean =2.27 minutes Sample size = 20 Sample average  = 2.98 Sample standard deviation =…

Q: A consumer group claims that the mean annual consumption of banana by a person in the Philippines is…

A:

Q: ording to one pollster, 47% of children are afraid of the dark. Suppose that a sample of size 20 is…

A: Consider "p" be the true proportion which represents the proportion of children that are afraid of…

Q: Suppose that the caffeine in one tablespoon of Folgers is normally distributed with a mean of 45 mg…

A:

Q: 1. The lifetimes of a certain brand of LED light bulbs are normally distributed with a mean of…

A: Let X represents the lifetime of a certain brand of a LED light bulbs. Therefore X ~ normal…

Q: 36% of a population has a particular characteristic. If samples of size n=400 are taken, calculate…

A: Solution: From the given information, the probability of a particular characteristic is 0.36 and the…

Q: 7. For a population with a standard deviation of σ = 20, how large a sample is necessary to have a…

A: Standard deviation: Standard deviation is defined as the positive square root of Variance. It is…

Q: Assume M&Ms are randomly selected and grouped into bags of 45 each and that 20% of all M&Ms are…

A: (5)  Mean = np = 45*0.20 = 9.0

Q: director

A:

Q: It is will known that the proportion of smokers in Jordan = 0.7 , using a random sample of size n =…

A: It is will known that the proportion of smokers in Jordan = 0.7 , using a random sample of size n =…

Q: 1. If the standard deviation of the mean for the sampling distribution of random samples of size 36…

A:

Q: a random sample is selected from a population with a standard deviation of  56. On average, how much…

A:

Q: 3. The length of a football field is normally distributed with a mean of 100 m and a standard…

A: Mean =100 sd = 3

Q: 1. A researcher claims that women on a special diet will have an average weight of 110 pounds. A…

A:

Q: The monthly rents for studio apartments in a certain city have a mean of $1,020 and a standard…

A: Given that  The monthly rents for studio appo1intments in certain city has a mean $1,020 Mean (μ) =…

Q: 5. It is known that the mean systolic blood pressure for Canadian males aged 35 to 44 years is 128,…

A: Solution: Given information: n= 72 Sample size x=126.07  Sample mean μ= 128 Population mean σ= 15…

Q: Suppose I surveyed a random sample of commuters who had jobs in Manhattan, 51 whose primary mode of…

A: Confidence interval are used to estimate the interval where the true popualtion parameter can…

Q: 4. The lengths of trout in a certain lake are normally distributed with a mean of 7 inches and a…

A:

Q: 2) A researcher reports that the average salary of assistant professors in a certain state is…

A: n=30x=43260s=5230claim:μ=42000H0:μ=42000H1:μ±42000

Q: The population of Senior High School learners in XYZ Integrated School has a mean of 54.5 and a…

A: HERE AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION KINDLY REPOST FOR REMAINING HERE mean…

Q: VII. The NYC MTA claims the average wait time for an F train after midnight is less than 21 minutes.…

A: Given, μ = 21n = 15X¯ = 24S = 9     Test the claim that the average wait time for an F train after…

Q: A small computing center has found that the number of jobs submitted per day to its computers has a…

A: Let X be a random variable such that X: Number of jobs submitted per day to its computers We know,…

Q: Based on a poll, 31.5% of adults over the age of 25 have a bachelor's degree or higher. Assume that…

A: If discrete random variable x is having binomial distribution then, Mean and standard deviations are…

Q: Suppose a candidate for public office is favored by only 47% of the voters. If a sample survey…

A: Given Population mean=0.47 Population standard deviations=0.01

Q: Suppose the body mass index (BMI) of a group of athletes has a population mean of 24.98 and a…

A: # Given random sample of size n=150 and population mean mu=24.98  and standard deviations=4.18  To…

Q: 6.23 The marks for 1000 applicants in a college ad- mission test are approximately normally…

A:

Q: In an test attended by 1500 people, a distribution with a grade point average of 58 and a standard…

A: Population Mean = 58 Variance = 6.8 Sample 10 = 250 people Population = 1500 people Standard normal…

Q: 2. The owner of a factory that sells a particular bottled fruit juice claims that the average…

A: Given: population mean(μ)=250sample size(n)=100sample mean (x¯)=248standard deviation(σ)=5

Q: uppose samples of size 100 are drawn randomly from a population that has a mean of 20 and a standard…

A: Given that, μ=20,σ=5,n=100 The mean and standard deviation of the sampling distribution of sample…

Q: 1.) It is claimed that the average performance of newly graduated nurses from the recent board exam…

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

Q: The weight of trucks traveling on a particular section of Highway 2H has a population mean of 15.8…

A:

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.