1. What is the mean of the sampling proportion? 2. What is the standard deviation of the sampling proportion? (Round to the nearest thousandth.) 3. Find the probability that p will be between 0.01 and 0.03. P(0.01 < p < 0.03) =

Q: 11. In a normal distribution, approximately 95% of the data are contained within one standard…

A: 11. Empirical Rule: 68% of the values lies between one standard deviation from the mean. 95% of the…

Q: (A2) if the standard error of the mean is 10 for N=12, what is the standard error of the mean for…

A: Given (A2): SE=10 for N=12 (A2): SE= 50, for N=25

Q: Yes, because np2 10 and nqs10. What is the mean of the sampling proportion? What is the standard…

A: Hi these are two different question. As per the guidelines I am obliged to answer first question…

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Q: Assume the sample size of the population is 20,000  n = 800, p = 0.749 determine the standard…

A: Givenp=0.749n=800Assume the sample size of the population is 20,000

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Q: 3. A factory is making hex nuts. The mean inside diameter of a hex nut for this particular…

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Q: Suppose that the efficacy of a certain drug is 0.37. Consider the sampling distribution (sample size…

A: From the provided information, The efficacy of a certain drug (p) = 0.37 Sample size (n) = 216

Q: Consider the following sample taken from a large Normal distribution.                      8,…

A: The sample taken from a large Normal distribution is given by :        8,    12,    17,    20,…

Q: b. For a sample of engineers, the mean salary is $95,000 with a standard deviation of S30,000. The…

A: Given data: The mean of salary is m = $95000. The standard deviation is σ = $30000. The median…

Q: a) What is the mean of the sampling distribution? b) What is the standard deviation of the sampling…

A: Let p be the population proportion. Then p = 0.72 Let X denote the number of Americans in sample of…

Q: Find the standard deviation of the sampling distribution of sample means using the given…

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Q: A marketing researcher for a phone company surveys 176 people and finds that the proportion of…

A: From the provided information, Sample size (n) = 176 Proportion (p) = 0.11

Q: The population has a mean of 14 and a standard deviation of 3. The sample size of your sampling…

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Q: 5. A statistics professor reported that the mean score in a recent quiz is 72 and the standard…

A: Answer - Given X~ N( μ, σ)                Where μ = 72    and σ = 6                Find the…

Q: The relative standard deviation for an .8 unknown sample that gave a S/N ratio of 6 * is 1.0 0.2 0.4…

A: Given : Relative standard deviation = 0.8 Sn = 6

Q: 2. A normally distributed set of 968 values has a standard deviation of 11 and a mean of 108. Which…

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Q: After deducting grants based on need, the average cost to attend the University of Southern…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 10. Suppose approximately 95 % of people who wrote a standardised test had marks that ranged from 78…

A: here given ,  Suppose approximately 95 % of people who wrote a standardised test had marks that…

Q: 3. The number of cars that passes through Sta. Mesa Highway every weekday resembles a normal…

A: Given that mean =8702 ,s.d =678 p( 7000 &lt; x &lt; 8000) =?

Q: The blood cholesterol levels of men age 55 to 64 are approximately Normal, with mean 222 milligrams…

A: 4. Given that μ=222σ=37 (a) The percent of these men have high cholesterol is,…

Q: Supposing there is a sample size of 2463. While the sample mean is 4.7825. calculate the standard…

A: Introduction: Define X as the random variable of interest, that has a binomial distribution with…

Q: What is the mean of the sampling distribution? 50,000 What is the standard deviation of the sampling…

A: given population  mean  μ= 750000   given standard deviation  σ= 126000 according to central limit…

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A: The mean is 28 and the standard deviation is 4.

Q: A group of science students plans to take an SRS of 25 days in the year to see what proportion of…

A: Given that the students plans to take a SRS (simple random sample) of 25 days in the year where 41%…

Q: A. Determine the mean and standard deviation of the sampling distribution of the sample mean Round…

A: Since, you have posted a question with multiple sub-parts, we will solve the first three complete…

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A: Given For the first question μ=50000σ=3500   For the second question  μ=50σ=6

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A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: The Institute for College Access and Success reported that 67% of college students in 2008 graduated…

A: The sample given is,n=85. It is also given that 67% of college students graduated with student loan…

Q: What term is used to identify the standard deviation of the distribution of sample means? Oa. the…

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Q: In a distribution where the mean is 70 and the standard deviation is 3, find the largest fraction of…

A: Here, Chebyshev's inequality is applicable as we don't have any information about the distribution

Q: According to the College Board, the probability that a student forgets to bring their ID with them…

A: Thank you for posting the question. As your question has more than 3 parts, as per the policy, we…

Q: After deducting grants based on need, the average cost to attend the University of Southern…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The average American male has a BMI of 28.6 and having a BMI over 25 is considered obese. In a…

A: The standard deviation of the sampling distribution of the sample mean is given by

Q: Given that μ = 12 and σ = 4 . Suppose samples of size five are taken.  What is the mean of the…

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Q: A medical investigation claims that the average number of infections per week at a hospital is 13.7.…

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Q: 10. If you have a sample of n=25, what is the standard error if the population standard deviation is…

A: The standard error of a statistics is shows the standard deviation of a estimate of a parameter and…

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Q: 12. The heights of male high school students are normally distributed with mean of 64 in and a…

A: From the provided information, Mean (µ) = 64 Standard deviation (σ) = 3.2 X~N (64, 3.2) Here X be a…

Q: A report announced that the median sales price of new houses sold one year was $231,000, and the…

A: Given that median sale price of new houses sold one year is Md=231000. The mean sale price is…

Q: 4. What is the mean of the sampling proportion? 5. What is the standard deviation of the sampling…

A: We have given that the population proportion p is 45% =0.45 and sample size n is 160. In Binomial…

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A: Normal distribution is symmetric distribution about mean and bell shaped. Spread of the distribution…

Q: After deducting grants based on need, the average cost to attend the University of…

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Q: What is the standard error?

A: Let , X→N(μ=28000 , σ=7200) , N=20000 , n=64 By using central limit theorem , The sampling…

Q: i. What are the mean and standard deviation of the total amount of milk and flour in Jim's…

A: Here Take  Random variable  X= no of Cup of Flour in single recipe Y=no of cup of Milk in Single…

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A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: What is the standard deviation of the following sample of size n = 5?-3,5,8,10,12

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Q: Find the standard deviation of the sampling distribution of sample means using the given…

A: According to the given information in this question We need to find the value of standard deviation…

Q: Steel bolts have a mean diameter of 128 millimeters, and a standard deviation of 5 millimeters. If…

A: Z=x¯-μσn~N(0,1)