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
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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Master's Degree
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The scores of students on the SAT college entrance
The scores of students on the SAT college entrance examinations at a certain high school had a normal distribution with mean μ=549.1 and standard deviation σ=28.4.(a) What is the probability that a si… read more
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A standardized​ exam's scores are normally distributed. In a
A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was 1504 and the standard deviation was 317. The test scores of four students selected at random are 1930… read more
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Assume that nontraditional undergraduate college students are defined as 25 years or older and working. And assume the population mean Grade Point Average of nontraditional students is 3.50 with a pop… read more
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In a recent study on world​ happiness, participants were
In a recent study on world​ happiness, participants were asked to evaluate their current lives on a scale from 0 to​ 10, where 0 represents the worst possible life and 10 represents the best possible … read more
Tom
Master's Degree
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1 point) The length, X, of a fish from a particular mountain
1 point) The length, X, of a fish from a particular mountain lake in Idaho is normally distributed with μ=8.7 inches and σ=1.7 inches.(a) Is X a discrete or continuous random variable? (Type: DISCRETE… read more
Sandhya_sharma
Master's Degree
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1 point) The scores of students on the SAT college entrance
1 point) The scores of students on the SAT college entrance examinations at a certain high school had a normal distribution with mean μ=540.2 and standard deviation σ=27.8.(a) What is the probability … read more
Sandhya_sharma
Master's Degree
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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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Master of Mathematics
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ATTENTION RYAN:STASTIC HOMEWORK1. The amount of Jen's
Attachment: 2015-05-12_195353_exam_4_stastic.docx ATTENTION RYAN: STASTIC HOMEWORK 1. The amount of Jen's monthly electric bill is normally distributed with a mean of \$160 and a standard deviation of … read more
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Bachelor's Degree
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Question 1 of 20 5.0 Points The lifetimes of light bulbs of
Question 1 of 20 5.0 Points The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has l… read more
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Recently, the bowling scores of a certain bowler were normally
Recently, the bowling scores of a certain bowler were normally distributed with mean 201 and standard deviation 23.The best score is 299. Find the percentile that corresponds to this score, and explai… read more
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1) 29% of college students say they use credit cards because
1) 29% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the proba… read more
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I Calculated The Sample Mean For 12 Randomly Selected High
I calculated the sample mean for 12 randomly selected high school seniors' test scores. The mean was 908.3 and the sample standard deviation was 305.4. Can you construct a 99% confidence interval for … read more
Stevewh
Teacher
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Problems I am stuck on my homework with: 1.With regards to
Problems I am stuck on my homework with: 1.With regards XXXXX XXXXX standard normal distribution complete the following: (a) Find P(z > 0), the percentage of the standard normal distribution above … read more
Trigeoscal
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Master's Degree
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1. A set of 50 data values has a mean of 44 and a variance
1. A set of 50 data values has a mean of 44 and a variance of 16. I. Find the standard score (z) for a data value = 51. II. Find the probability of a data value < 51. 2. Find the area under the sta… read more
Scott
Master's Degree
18,670 satisfied customers
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
2,468 satisfied customers
1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
Master's Degree
Master's Degree
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