Assume that a procedure yields a binomial distribution with n=1222n=1222 trials and the probability of success for one trial is p=38%p=38%.Find the mean for this binomial distribution.(Round answer to one decimal place.)μ=μ= Find the standard deviation for this distribution.(Round answer to two decimal places.)σ=σ= Use the range rule of thumb to find the minimum usual value μ–2σ and the maximum usual value μ+2σ.Enter answer as an interval using square-brackets only with whole numbers.usual values =

Q: A population of scores has μ = 25 and σ = 1. If 3 points are added to every score in the population,…

A: From the given information, Consider , X be the random variable which denotes the scores. Ex=μ=28σ=1…

Q: A sample has a mean of M =75 and a standard deviation of s = 15 . Find the z-score for each of the…

A: Given that, Mean (M) =75 Standard deviation (s) = 15

Q: Find the new, standardized score for each of the following values from the original population.

A: Solution: Given: The given distribution having  mean = μ = 56 and standard deviation = σ = 20 Given…

Q: Suppose that the duration of a particular type of criminal trial is known to be normally distributed…

A: Given,mean(μ)=22standard deviation(σ)=4

Q: Suppose that replacement times for washing machines are normally distributed with a mean of μ= 8.7…

A: The random variable X defined as the replacement times for washing machines. The random variable X…

Q: Suppose a dishwasher has a mean life of 12 years with an estimated standard deviation of 1.11 years.…

A: given data normal distributionμ = 12σ = 1.11n= 10

Q: A population has a mean μ=83 and a standard deviation σ=6. Find the mean and standard deviation of a…

A: Given information Population mean µ = 83 Sample size = 36 Standard deviation σ = 6 We have to find…

Q: The probability that a randomly selected adult has an IQ less than 128 is (Type an integer or…

A: Given:  Consider X as a random variable that follows a normal distribution with mean 22 and…

Q: A A standardized exam's scores are normally distributed. In a recent year, the mean test score was…

A: The mean was 1537 and the standard deviation was 317.

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Here, µ=0°C, σ=1.00°C.

Q: A person's blood glucose level and diabetes are closely related. Let x be a random variable measured…

A:

Q: (b) A scientific group claims that the true population mean u is more than 7 meters. (i) What is the…

A: Givenclaim is that the true population mean μ is more than  7 metersMean(x)=7.3sample size(n)=16σ=1

Q: The length of adult male dolphins is normally distributed with an unknown mean µ. By some previous…

A: The random sampling distribution of a statistic is approximately normal and the values given in the…

Q: Suppose X be a normally distributed random variable with unknown mean μ and a standard deviation of…

A:

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: From the given information, the readings at freezing on a batch of thermometers are normally…

Q: On the planet of Mercury, 4-year-olds average 3.2 hours a day unsupervised. Most of the unsupervised…

A:

Q: If W is a normally distributed with the mean of 225, find the standard deviation, given that P(X <…

A: Given data: Mean  = 225 find: Standard deviation

Q: A given set of data has an average of 25, and standard deviation of 5. Use this information to…

A: From the provided information, Average (µ) = 25 Standard deviation (σ) = 5 X~N (25, 5)

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 17. Assume that…

A: Given Mean=100 Standard deviations=17

Q: Suppose the mean of a math exam score is 70 with a standard deviation of 20. If each score is…

A: Determine the new value of mean. The new value of mean is obtained below as follows:   From the…

Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: According to the given information in this question We need to find standard error

Q: a. Find the mean of the battery lives. hrs (Type an integer or a decimal. Round to two decimal…

A: Here we have given the data, We have to find the mean of the battery lives and also standard…

Q: en percent of Americans are allergic to ragweed. Suppose a random sample of 200 people is selected.…

A: Given: Probability(p)=0.10Sample size(n)=200Number of success (x)=10 Condition :…

Q: Assume that the heights of a population of adults form a normal distribution with a mean µ =69…

A: It is known that, there are 12 inches in 1 foot.The provided information are:

Q: The average (or mean) amount of hours spent on social media per day is 2 hours and the standard…

A: Given that, The random variable X is the number of hours spent on social media per day. The average…

Q: We take a random sample of 16 scores from a Math Exam and the sample mean is 80 (the population…

A: Sample mean =80.Sample standard deviation, s =15.The sample size, n is 16.

Q: The standard deviation in the pressure required to open a certain valve is known to be o=1.2 psi.…

A:

Q: From generation to generation, the mean age when smokers first start to smoke varies. A survey of 20…

A: Given Information :  From generation to generation, the mean age when smokers first start to smoke…

Q: A population has a mean of μ = 100, a variance of σ2 = 9, and a standard deviation of σ = 3.  The…

A:

Q: A sample has a mean of M=60 and a standard deviation of s=7.  For this sample, find the z-score for…

A:

Q: A population of scores has µ=44. In this population, a score of X= 40 corresponds to z= - 0. 50.…

A:

Q: Suppose that replacement times for washing machines are normally distributed with a mean of μ=8.7…

A: For a variable distributed normally, i.e for X~N(μ, σ) the z-score for X is, Z=X-μσ; Z~N(0,1)…

Q: Scores for men on the verbal portion of the​ SAT-I test are normally distributed with a mean of 545…

A: Consider a random variable x, that defines the SAT-I test scores for mean.

Q: Suppose that the weight of an newborn fawn is Uniformly distributed between 2.2 and 3.9 kg. Suppose…

A:

Q: Suppose that replacement times for washing machines are normally distributed with a mean of μ= 8.7…

A: Standard deviation is a measure which shows how much variation from the mean exists.

Q: A fitness center bought a new exercise machine called the Mountain Climber. They decided to keep…

A: Given Information :  A fitness center bought a new exercise machine called the Mountain Climber.…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.