Calculus and Above

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A distribution of values is normal with a mean of 246.7 and
A distribution of values is normal with a mean of 246.7 and a standard deviation of 24.9.Find the probability that a randomly selected value is greater than 254.2. P(X > 254.2) =Enter your answer a… read more
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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
rajeevanpillai
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Master's Degree
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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
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rajeevanpillai
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In a distribution with a mean of 100 and a standard
In a distribution with a mean of 100 and a standard deviation of 15, what is the probability that a score will be 118 or higher? (Make sure you find the z-score and then find the probability in table … 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 = 142.9 μ = 142.9 and σ = 64.2 σ = 64.2 . You intend to draw a random sample of size n = 75 n = 75 .Find the probability that a single randomly … read more
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Sandhya
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For your initial post, create an example of an application
For your initial post, create an example of an application to calculate a confidence interval to estimate a population parameter and ask students for a solution (make sure your example works). Please … read more
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In the United States, the mean yearly precipitation in
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1. Apply the Central Limit Theorem for Sample Means A
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A population of values has a normal distribution with μ =
A population of values has a normal distribution with μ = 223.7 and σ = 36.8 . You intend to draw a random sample of size n=20 .Find the probability that a single randomly selected value is greater th… read more
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Score in gradebook: 0 out of 1 (parts: Incorrect 0/0.5,
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Find the probability that a single randomly selected value
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1. On the average, there are 500 mg of aspirin in an “Extra
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1. Find the indicated z score. The graph depicts the
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1. Five males with a particular genetic disorder have one child
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Can you explain to me the following as I cannot work out how
Can you explain to me the following as I cannot work out how they got z x/2. Confidence Level x x/2 z x/2 .9 .10 .05 1.645 .95 .05 .025 1.96 .85 .01 .005 2.575 I understand confidence level is (1-x) a… read more
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1) A set of 50 data values has a mean of 27 and a variance
1) A set of 50 data values has a mean of 27 and a variance of 16. I. Find the standard score (z) for a data value = 19. II. Find the probability of a data value < 19. 2) Find the area under the sta… read more
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Pg.431 1)The mean of the sampling distribution of means is
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Explain what a “sampling distribution of sample means” is.
Explain what a “sampling distribution of sample means” is. Be specific! Fill in the blanks in the statements below. The Central Limit Theorem states that as the sample size increases, the distribution… read more
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