Calculus and Above

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A population of values has a normal distribution with μ = 17
A population of values has a normal distribution with μ = 17 and σ = 71.5 . You intend to draw a random sample of size n = 236 .Find the probability that a single randomly selected value is greater th… read more
rajeevanpillai
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Let x be a random variable representing dividend yield of
Let x be a random variable representing dividend yield of bank stocks. We may assume that x has a normal distribution with σ = 2.5%. A random sample of 10 bank stocks gave the following yields (in per… read more
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The mean daily production of a herd of cows is assumed to be
The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 33 liters, and standard deviation of 6.4 liters.A) What is the probability that daily production is les… read more
rajeevanpillai
rajeevanpillai
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A population of values has a normal distribution with μ =
A population of values has a normal distribution with μ = 217.4 μ = 217.4 and σ = 33.8 σ = 33.8 . You intend to draw a random sample of size n = 245 n = 245 .Find P29, which is the mean separating the… read more
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In the United States, the mean yearly precipitation in
Second opinion] In the United States, the mean yearly precipitation in Toledo, Ohio is 51 inches. The yearly precipitation is normally distributed and the population standard deviation is 10.84 inches… read more
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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
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A population of values has a normal distribution with μ=50.9
A population of values has a normal distribution with μ=50.9 and σ=48.4. You intend to draw a random sample of size n=233.What is the mean of the distribution of sample means? μ ¯ x =What is the stand… read more
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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
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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
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A population of values has a normal distribution with μ =
A population of values has a normal distribution with μ = 188.6 and σ = 78.4 . You intend to draw a random sample of size n = 147 .What is the mean of the distribution of sample means? μ ¯ x =What is … read more
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A population has parameters μ = 190.5 and σ = 37.2. You
A population has parameters μ = 190.5 and σ = 37.2 . You intend to draw a random sample of size n = 80 .What is the mean of the distribution of sample means? μ ¯ x =What is the standard deviation of t… read more
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Let X be normally distributed with mean μ = 1.6 and standard
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How much does a sleeping bag cost? Let's say you want a
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I need some help with my economic statistics homework! I am
Hi I need some help with my economic statistics homework! I am very confused.1. The mean income per person in the United States is $38,500, and the distribution of incomes follows a normal distributio… read more
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1. For estimating a population mean with the sample mean
1. For estimating a population mean with the sample mean find (i) the standard error of and (ii) the 100 (1-0x) error margin. Round answers to three decimal places. S.E. 98% error margin is 2. For est… read more
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1. Consider a population proportion p = 0.68. a-1. Calculate
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India is the second most populous country in the world, with
India is the second most populous country in the world, with a population of over 1 billion people. Although the government has offered various incentives for population control, some argue that the b… read more
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a. How likely is it to earn a return between 4 percent and
a. How likely is it to earn a return between 4 percent and 20 percent? (Enter your response as decimal values (not percentages) rounded to 2 decimal places.) Probability b. How likely is it to earn a … read more
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