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
rajeevanpillai
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Master's Degree
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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
Master's Degree
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
rajeevanpillai
Master's Degree
Master's Degree
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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
Sandhya
Master's Degree
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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
Scott
Master's Degree
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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
Nathan Weaver
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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 =
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
akch2002
Master's Degree
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Score in gradebook: 0 out of 1 (parts: Incorrect 0/0.5,
Score in gradebook: 0 out of 1 (parts: Incorrect 0/0.5, Incorrect 0/0.5)Try another similar question, reattempt last question below, or select another question.Start of Questions A population of value… read more
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Find the probability that a single randomly selected value
Find the probability that a single randomly selected value is greater than 163.4. P(X > 163.4) =Find the probability that a sample of size n=12 is randomly selected with a mean greater than 163.4. … read more
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1. On the average, there are 500 mg of aspirin in an “Extra
1. On the average, there are 500 mg of aspirin in an “Extra Strength” aspirin tablet. Suppose the random variable assigning amount of aspirin in a tablet is normally distributed with standard deviatio… read more
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1. Find the indicated z score. The graph depicts the
1. Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. The indicated z score is? (Round to two decimal places as needed.) 2. Assume tha… read more
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1. Five males with a particular genetic disorder have one child
1. Five males with a particular genetic disorder have one child each. The random variable x is the number of children among the five who inherit the genetic disorder. Determine whether the table descr… read more
Ryan
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Bachelor's Degree
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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
SusanAthena
Master's Degree
Master's Degree
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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
Pg.431 1)The mean of the sampling distribution of means is equal to the mean of the population. T-F, and why or why not? 2) In the formula for the Confidence Interval for the Mean, if the Confidence C… read more
Ryan
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Bachelor's Degree
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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
Osbert12
Master's Degree
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