Suppose a simple random sample of size n=1000 is obtained from a population whose size is N=1,000,000 and whose population proportion with a specified characteristic is p=0.47. What is the probability of obtaining x=490 or more individuals with the​ characteristic?

Q: Suppose a simple random sample of size n=1000 is obtained from a population whose size is…

A: given data  N = 1000000 n = 1000 p = 0.76 P(x≥780) = ?

Q: Suppose the random variable x  is drawn from a  population with mean 50 and  standard deviation 3.is…

A: Solution : Given : μ = 50             σ = 3              n = 30

Q: What is the probability of randomly selecting a sample of n = 36 with a value greater than M = 63…

A: given: M=63 n=36 mean=60 standard deviation = 12

Q: Suppose 'W' is the width of all toilet seat covers used by all hotels in Paris. Suppose 'W' is…

A: n=36, mean μ=15 and the variance σ2=9 so the standard deviation is σ=3 Since the sample size is more…

Q: If all possible random samples of size =45 are selected from a population with μ=69 and a σ=6, and…

A:

Q: Suppose that the number of Tornadoes that strikes a certain area of United States is a Possion…

A: Let X: Number of tornadoes that strikes a certain area of United states X is a Poisson random…

Q: random variable X has a mean value of 20 with a standard deviation of 4.  If we obtain a random…

A: The probability that the sample average of X is at most 19 = P(X<=19) = 0.0228

Q: A random sample of n = 64 scores is obtained from a normal population with μ = 30 and o= 10. What is…

A: The given sample size is 64, the population mean is 30 and the population standard deviation is 10.

Q: A sample of n = 25 observations is to be drawn from a population that is normally distributed with a…

A:

Q: Suppose that a random sample of size 36 is to be selected from a population with mean 47 and…

A: Given that.   X~N( μ , ?)   μ=47    , ?=8  , n=36   Z-score =( x - μ )/?

Q: for a normally distributed random variable X with mean of 177.15 and standard deviation of 4.95 a…

A: It is given that the mean is 177.15 and the standard deviation is 4.95.

Q: What is the probability that the resulting sum is between 51,700kWh and 51,800kWh?

A: Solution: Given: Y: daily electricity use values having unknown distribution with mean = μy = 430…

Q: a) Suppose that a system contains a certain type of component whose time, in years, to failure is…

A: According to our guidelines we can answer first question and rest can be reposted.

Q: A sample of n =32 is selected from a normal population with M = 60,         σ = 20.  What is the…

A:

Q: if X is normally distributed random variable with a mean of 80 and a standard deviation of 12, then…

A: GivenMean(μ)=80standard deviation(σ)=12

Q: a) List each possible outcomefor the colors of the shirts if two shirts are drawn randomly from the…

A: In question, Given that a dresser drawer has blue shirts, yellow shirts, red shirts, and green…

Q: In a random sample of 100 observations from a population with a mean of μ = 50 and a standard…

A: The probability of obtaining a sample mean between 45 and 55 can be found using the standard normal…

Q: The time (in hours) required to repair a machine is an exponentially distributed random variable…

A: Given that λ=1

Q: n USE SALT Assuming that intakes at different meals are independent of one another, what is the…

A: Solution

Q: doctor is interested in the proportion of patients which live at least 5 years after being diagnosed…

A:

Q: Find the CDF of an exponential random variable with mean 1/λ .

A: Solution

Q: weight of 810 pounds or more? Which of the following connects the probability of the random variable…

A:

Q: A population has a standard deviation of 23. We take a random sample of size 19 from this…

A: Given Information: Population standard deviation σ=23 Sample size n=19

Q: A random variable X has a mean value of 20 with a standard deviation of 4.  If we obtain a random…

A:

Q: probability that the sample mean

A: Let given n=4 A random variable X~ N(μ=30,σ2=64)

Q: Suppose that 60% of people in the population support raising taxes to pay for wetlands preservation.…

A:

Q: Suppose we are using systematic random sample and we want to select a sample of 100 units from a…

A: From the given information, population size N = 21156. Sample size n = 100. Starting point of the…

Q: If all the possible random samples with n = 36 scores are selected from a normal population with µ =…

A: From the provided information, Sample size (n) = 36 Population mean (µ) = 80 Population standard…

Q: A sample of 79 observations will be taken from an infinite population. The population proportion…

A: Given that:

Q: Suppose that it is known that in a certain community 30% of the households have a micro-wave ovens.…

A: Given: Population proportion p = 30% p =  0.30 Sample size n = 19 Formula Used: Standard deviation =…

Q: We select a random sample of (36) observations from a population with mean (81) and standard…

A: From the provided information, Mean (µ) = 81 Standard deviation (σ) = 6 Sample size (n) = 36

Q: What is the probability of randomly selecting a sample of n = 4 with a value greater than M= 63 from…

A: n = 4 M = 63 u = 60 s = 12

Q: A normal population has a known mean of 50 and  unknown variance. (a) A random sample of n = 16 is…

A: We have given that n = 16 x̅ = 52 s = 8 µ = 50

Q: Given two normally distributed populations with equal means and standard deviations (01,02) = (61,…

A: We have given that two normally distributed population have equal means and standard deviations are…

Q: 6) About 17% of employed adults in the United States held multiple jobs (a) A random sample of 45…

A: Given: Population proportion P = 0.17 Formula Used: Z-score = p^ - PP(1-P)n

Q: (1) With a known population mean of 50 and a known standard error of 4, what is the probability of…

A: Given that  X~N( μX̄ = 50 , ?X̄ =4)  μX̄ = 50 , ?X̄ =4

Q: The fraction nonconforming parts of a process is known to be 0.001. If a random sample of size 100…

A: Given: p = 0.001 Sample size (n) = 100 To find the probability that at most 0ne is non conforming:…

Q: Suppose a simple random sample of size n=125 is obtained from a population whose size is N=10,000…

A:

Q: Two Independent random samples of n observations are to be selected from each of two binomial…

A: Given: α=1-0.98=0.02E=0.05

Q: If we have a simple random sample of size n from a population with standard deviation σ, what is the…

A: Introduction: The standard deviation of the sampling distribution of the sample mean, also known as…

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.