Calculus and Above

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Let x represent the dollar amount spent on supermarket
Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping interval. Based on a newspaper article, the mean of the x distribution is about \$46 and the es… read more
rajeevanpillai
Master's Degree
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QUESTION 16 Which of the following statements about the
QUESTION 16Which of the following statements about the Central Limit Theorem is FALSE? It can be applied to either a discrete or a continuous random variable. It requires the sample size to be at leas… read more
Ann
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20% of kids aged 12-19 are obese. We take a random sample of
20% of kids aged 12-19 are obese. We take a random sample of 30 adolescents and find the proportion in our sample who are obese. We record the value. We repeat this more times so that we have a lot of… read more
Scott
Master's Degree
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What is the mean of the distribution of sample means always
What is the mean of the distribution of sample means always equal to? What is the measure of variability that we use for the distribution of sample means? What axiom did this information come from?Ope… read more
Scott
Master's Degree
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Postulates that if a population is normally distributed, the
postulates that if a population is normally distributed, the sampling distribution of the means will also be normally distributed. a. Empirical Rule b. Standard error of means c. Sampling distribution… read more
Kofi
PhD in Statistics
Ph.D.
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1. Apply the Central Limit Theorem for Sample Means A
1. Apply the Central Limit Theorem for Sample MeansA company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 248 cm and a standard deviation of 1.9 cm. For s… read more
Kofi
PhD in Statistics
Ph.D.
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1. Apply the Central Limit Theorem for Sample Means A
1. Apply the Central Limit Theorem for Sample Means A population of values has a normal distribution with μ = 209 and σ = 22. You intend to draw a random sample of size n = 35.Find the probability tha… read more
Kofi
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The heights of fully grown trees of a specific species are
The heights of fully grown trees of a specific species are normally​ distributed, with a mean of 64.0 feet and a standard deviation of 5.00 feet. Random samples of size 18 are drawn from the populatio… read more
Kofi
PhD in Statistics
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A random variable is normally distributed. It has a mean of
A random variable is normally distributed. It has a mean of 245 and a standard deviation of 21If you take a sample size of 10, can you say what the shape of the distribution for the same mean is?For t… read more
MunishK
Assistant Professor
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9 A population of values has a distribution with μ = 116.2 μ
THIS IS QUESTION #9 A population of values has a distribution with μ = 116.2 μ = 116.2 and σ = 13.4 σ = 13.4 . You intend to draw a random sample of size n = 168 n = 168 .According to the Central Limi… read more
Kofi
PhD in Statistics
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A population of values has a distribution with μ = 173.8 and
A population of values has a distribution with μ = 173.8 and σ = 44.3 . You intend to draw a random sample of size n = 39 .According to the Central Limit Theorem:(a) What is the mean of the distributi… read more
rajeevanpillai
Master's Degree
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A simple random sample of size 33 is obtained from a
A simple random sample of size 33 is obtained from a population with mu equals 76 and sigma equals6 For parts​ (a) and​ (b), on your​ paper, answer the questions u sng complete sentences.​(a) Does the… read more
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Bachelor's Degree
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Let x represent the dollar amount spent on supermarket
Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping interval. Based on a certain article, the mean of the x distribution is about \$22 and the esti… read more
Sandhya_sharma
Master's Degree
Master's Degree
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I have a statistic midterm and once I open the quiz need to
I have a statistic midterm and once I open the quiz need to compete in 90 minutes. It contains Continuous Random Variables Jointly Distributed Random Variables The Sample Mean and its Distribution The… read more
GLENN GILONGOS
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My question is assume that a population is normally
my question is assume that a population is normally distribute with a mean of 100 and a standard deviation of 15 would it be unusual for the mean of a sample of 3 to 115 or more why why not … read more
GLENN GILONGOS
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I know the shape of the distribution of sample means is not
I know the shape of the distribution of sample means is not always that of an approximately normal distribution, but how do I explaine why?… read more
Math-John
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Identify the two different cases considered in discussing the
Identify the two different cases considered in discussing the sampling distrubution of the sample mean. Why do we consider those two different cases separately? a) the variable is normally distrubuted… read more
Scott
Master's Degree
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2. State the Central Limit Theorem 3. Why do you think the
2. State the Central Limit Theorem 3. Why do you think the Central Limit Theorem is important? 4. What is the relationship between Central Limit Theorem and Normal Distribution?… read more
Chirag
Master's Degree
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