Given a population where p = 0.10, find the standard deviation of the samping distribution when n = 500

Q: Suppose that you are interested in determining the average height of a person in a large city. You…

A: Solution: Given information: n= 400 Sample size  x=63 inches Sample mean s= 6 inches Sample standard…

Q: Assume that the scores of a college entry exam are normally distributed with a mean of 400 and a…

A: Given,mean(μ)=400standard deviation(σ)=60

Q: a normal distribution has a mean of 60 with a standard deviation of 8. for this population, which is…

A: Solution

Q: he distribution of scores on the SAT is approximately normal with a mean of m= 500 and a standard…

A: Given that  SAT is approximately normal with a mean of m= 500 and a standard deviation of s = 100…

Q: a. z=+2.00 z=+0.50 z = −1.00 z = −0.25

A: a. The location of z-score equal to +2.00 is, z=x-μσ+2=x-μ20x-μ=+40 Thus, z=+2.00 is a location that…

Q: As the sample size​ increases, the standard deviation of the sampling distribution ▼   gets larger.…

A: Here we need to find the change that happens for the standard deviation of the sampling distribution

Q: The proportion of a population with a characteristic is p= 0.35. Calculate the standard deviation of…

A: From the provided information, Population proportion (p) = 0.35 Sample size (n) = 900

Q: Assuming that the raw score of 140 students in Calculus follows a normal curve distribution with a…

A: From the provided information, Population size (N) = 140 Mean (µ) = 44.3 Standard deviation (σ) =…

Q: Calculate the standard deviation if: ∑X=∑X=159  ∑X2∑X2= 3227  N = 12

A: Given ∑ X =159            ∑ X2 = 3227,          N =12 X =∑ XN = 15912= 13.25

Q: The mean SAT verbal score is 417​, with a standard deviation of 99. Use the empirical rule to…

A: It is given that the mean is 417 and the standard deviation is 99.

Q: In​ 2007, the mean rate of violent crime​ (per 100,000​ people) for 10 regions in the northeast of a…

A: Solution: Let X be the violent crime rate. From the given information, X follows normal distribution…

Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average…

A: X¯ ~ N(μx¯ , σx¯) μx¯=μ=142 σx¯=σn=1349=1.86 N = Normal distribution

Q: At Intel, the sizes of processor chips have a mean of 1 cm with a standard deviation of 0.2 cm.…

A:

Q: The mean monthly electricity expenses of randomly selected 39 households is 192 TL with a standard…

A:

Q: Find the mean adn standard deviation of the indicated sampling distribution of sample means. Then…

A: Mean=96.8 , Standard deviation=0.61

Q: Suppose that the heights of 4-year old boys are normally distributed with a mean of 103cm and a…

A: Given that, X: height of the 4-year old boy Mean : μ=103 cmStandard deviation σ =4.05 cm

Q: The grades on a test follow a normal distribution with a mean mark of 70 and a standard deviation of…

A:

Q: The annual per capita consumption of canned fruit by people in the U.S. is normally distributed,…

A: Sampling distribution of x¯ : If simple random sample of size n is drawn from Normal population with…

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n =…

A: It is given that p is 0.10 and n is 2,000.

Q: Prove that for the normal distribution, the quartile deviation, the mean deviation and standard…

A: Prove that  QD:MD:SD=10:12:15

Q: These babies will have a mass of less than how many pounds?

A: Given that masses of newborns are normally distributed with a mean of 6.6 lbs. and a standard…

Q: n an ancient culture, the average male life span was 37.6 years, with a standard deviation of 4.8…

A: Given: For Male: average (μm)=37.6standard deviationσm=4.8 For Female : average (μf)=41.2standard…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n =…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given ,       Mean,μ =267standard deviation,σ=45using formula,Z-score = x-μσ

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: A simple random sample of 144 observations was taken from a large population. The sample mean and…

A: sample mean is given by, x = 120.8 and sample standard deviation is given by, s = 32.46 Number of…

Q: Soum that the red blood cell counts of women are normally distributed with a mean of 4.577 million…

A: Solution: Let X be the red blood cell counts of women. From the given information, X follows normal…

Q: A normal distribution has a mean of 20 and a standard deviation of 2. What is the z value of 17.5?

A:

Q: A recent survey found that 61% of all adults over the age of fifty wear glasses for driving. In a…

A: Given that Given distribution is binomial. n=Random sample of 80 adult n=80 p=61% of adults over the…

Q: A normal distribution has a mean of 54, and a sttandard deviation of 6. What is the probability of…

A:

Q: Assume the birth weights at a local hospital have a normal distribution with a mean of 110 oz and a…

A: Given that,  μ=110,σ=15 (a) The percentile rank is equal to 100×P(X<140) The value of P(X<140)…

Q: The lengths of individual fish in a pond have an approximate Normal distribution with a mean of…

A: Given data,μ=18.6 cmσ=6 cmIf n=36σx=?

Q: The average grade in an exam is 68 and the standard deviation is 8. A grade (C) will be given…

A:

Q: Find a 99% confidence interval on the mean of diameter. Compute a 99% prediction interval on a…

A: sample mean 'x̄=   1.0056 sample size    n=   9 std deviation s=   0.0246 std error…

Q: Assume that males have a mean hieght of 69.1 in. with a standard deviation of 2.9 in., and females…

A: Given  that  males have a mean height of 69.1 in. with a standard deviation of 2.9 in. and  female…

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.