Is the following statement true, or false? Answer using the pull down menu. 1. As a general rule, the normal distribution is used to approximate the sampling distribution of the sample proportion only if the expected successes and failures obey: np > 10 and n(1 – p) > 10.

Q: Given the sample information below, what test statistic should be used to determine whether the…

A: For determining the standard deviations are equal for two populations or not, the F test statistic…

Q: Which of the following is not required for the distribution of the sample proportion to be nearly…

A: We have to determine the conditions for the distribution of sample proportion to be nearly normal.

Q: The Economic Policy Institute periodically issues reports on wages of entry-level workers. The…

A: In the given case we need to determine the distribution of the average entry-level wage for male…

Q: For a normal distribution,the proportion in the tail beyond z = 1.50,p = 0.0668. Based on this…

A: Given: Z = -1.50

Q: For the following information, determine whether a normal sampling distribution can be used, where p…

A: The claim is that p≥0.36.

Q: For the following information, determine whether a normal sampling distribution can be used, where p…

A: We have given that  Sample size n= 225 Sample proportion p^= 0.48 Level of significance =alpha =…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: As per our guidelines we are suppose to answer three sub parts. Given,sample…

Q: The sampling distribution of the mean, with N=30, of a moderately negatively skewed distribution is:…

A: If the probability distribution, with N=n, of a moderately negatively skewed, then the shape of the…

Q: b) Does the evidence suggest that the clarity of the lake is improving at the a= 0.05 level of…

A: We have to find null and alternative hypothesis.

Q: The sampling distribution of P is closely related to the normal distribution. True or False True…

A:

Q: r the number of goals scored per game in the 2019 full season. An SRS of size n=15 is taken from the…

A: The sampling distribution of a statistic is known as the probability distribution of all the…

Q: Given a normal distribution with μ=103 and σ=15​, and given you select a sample of n=9​, There is…

A: Given data: Mean = 103 Standard deviation  = 15 Sample size = 9

Q: If random samples, cach with n- 25 scores, are selected from a normal population with u - 50 and o-…

A:

Q: Given a normal distribution with μ=50 and σ=4​, and given you select a sample of n=100​, What is…

A:

Q: In a normal distribution of scores, four participants obtained the following deviation scores:…

A: Given Information:  Deviation scores = -1, +2, +3 , -0.15

Q: For which sample size (n) and sample proportion (6) can a normal curve be used to approximate the…

A: Answer :- Find  for which sample size (n)  and sample proportion (P^)  can a normal…

Q: Given a normal distribution with μ=101 and σ=25​, and given you select a sample of n=25​, What is…

A:

Q: Formulate is it true? The sampling distribution of r = .8 becomes normal as N increases.

A: Central limit Theorem: If the sample size increases or the distribution of the population follows…

Q: Given a normal distribution with µ = 50 and o = 5, if you select a sample of n = 100, what is the…

A:

Q: A random sample of n = 16 scores is selected from a normal distribution with μ = 500 and σ = 200.…

A: From the given information,Sample size = 16,Population mean = 500,Population standard deviation =…

Q: Given a normal distribution with μ=50 and σ=5​, and given you select a sample of n=100​, There is a…

A:

Q: Is the following statement true, or false? Answer using the pull down menu. 1. As a general rule,…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: The number of daily hits at the website of a travel agency is normally distributed with a mean of…

A: Given data,     μ=500     σ=48   a Px<514=Px-μσ<514-50048…

Q: Use the normal distribution to the right to answer the questions.   ​(a) What percent of the scores…

A:

Q: When using the student's t distribution to test what value do you use for the degrees of freedom if…

A: It is given that the sample size is n = 32.

Q: Q5. The diameter of contact lenses has a mean of 1 cm and a standard deviation of 0.02 cm. If you…

A: From the provided information, Mean (µ) = 1 cm Standard deviation (σ) = 0.02 X~N (1, 0.02)

Q: Read the z statistic from the normal distribution table and choose the correct answer. For a…

A: Given that, One-tailed test (Lower tail) α = 0.0048

Q: 3. For a final class project, a student plans to survey a representative sample of 50 students and…

A: Provided information is, for a final class project a student plans to survey a representative sample…

Q: The standard t value at the central value of sampling distribution of mean is equals to? a. 1 b. 0…

A: To Find: The standard t value at the central value of sampling distribution of mean

Q: The Economic Policy Institute periodically issues reports on wages of entry-level workers. The…

A: Given For Male college Mean=$21.68 Standard deviation=$2.30 For female college Mean=$18.80 Standard…

Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim about…

A: Use of normal distribution: np=25×0.12=3<5 The normal distribution cannot be used because np is…

Q: here is a 61​% chance that x̄ is above what​ value?

A: Let , X→N(μ=101 , σ=25) , n=25 By using central limit theorem , The sampling distribution of the…

Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim about…

A: Determine whether the normal sampling distribution can be used or not. The normal sampling…

Q: In the following case, do you think the sample size is large enough to use the normal distribution…

A: Conditions for normal distribution: np≥5 n(1-p)≥5   Given information: n = 59 and p = 0.23

Q: In the following case, do you think the sample size is large enough to use the normal distribution…

A: The normal distribution can be used to make a test of hypothesis about the population proportion(p)…

Q: Given a normal distribution with μ=50 and σ=4​, and given you select a sample of n=100​,   There…

A:

Q: Is the following statement true, or false? Answer using the pull down menu. ? v 1. As a general…

A:

Q: Decide whether the normal sampling distribution can be used. If it can be used, test the claim about…

A: If  np0≥10 and n1-p0≥10, then the normal sampling distribution is​ used. Condition 1:…

Q: In the following case, do you think the sample size is large enough to use the normal distribution…

A: Given  n=59 p=0.23

Q: In which situation may the sample proportion safely be assumed to follow a normal distribution?…

A: To find: In which situation may the sample proportion safely be assumed to follow a normal…

Q: . What is the value of the standard deviation of the sampling distribution? A. 0.08 B. 0.4 C. 1.2…

A: We have given that  Standard deviation, σ = 0.4 Sample size, n = 25

Q: Given a normal distribution with µ = 50 and σ = 4, if you select a sample of n = 100, there is a 45%…

A:

Q: An opinion poll asks a simple random sample of   1500 adults how they view the state of the economy.…

A: According to the provided information, a survey is done on a random sample (n) of 1500 adults and…

Q: Given a normal distribution with μ=103 and σ=15​, and given you select a sample of n=9​, What is…

A: GivenMean(μ)=103standard deviation(σ)=15sample size(n)=9

Q: In a normal distribution of scores, four participants obtained the following deviation scores: +1,…

A: a).Since the maximum positive deviation score is 5, it reflects the highest raw score.

Q: Which of the following does not call for the use of the Student's t-distribution, A n<30 Population…

A: Student's t distribution: Student's t distribution is a type of probability distribution that is…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A:

Q: Given a normal distribution with μ=100 and σ=8​, and given you select a sample of n=16​, What is the…

A: Solution: From the given information, X follows normal distribution with mean µ=100 and a standard…

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. On the basis of the…

A: Given information is Mean annual salary(μ)=$178000standard deviation(σ)=$39000random sample(n)=36

Q: Can a normal approximation be used for a sampling distribution of sample means from a population…

A: Given  n=4, σ=9, μ=47

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.