Calculus and Above

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A set of exam scores is normally distributed with a mean =
A set of exam scores is normally distributed with a mean = 72 and standard deviation = 5. Use the Empirical Rule to complete the following sentences.68% of the scores are between and95% of the scores … read more
Sandhya_sharma
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Scores of an IQ test have a​ -shaped distribution with a
Scores of an IQ test have a​ bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the empirical rule to determine the following. ​(a) What percentage of people has an IQ sco… read more
Keith Pelletier
Master's Degree
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Listed below are systolic blood pressure measurements (in mm
Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find the regression equation, letting the right arm blood pressure be the predictor (x) variable. Find th… read more
Kofi
PhD in Statistics
Ph.D.
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The distribution of the IQ (Intelligence Quotient) is
The distribution of the IQ (Intelligence Quotient) is approximately normal in shape with a mean of 100 and a standard deviation of 15. According to the standard deviation rule, only 0.15% of people ha… read more
STEM_Tutor
Doctoral Degree
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Show work At one college, GPA's are normally distributed
Please show workAt one college, GPA's are normally distributed with a mean of 2.6 and a standard deviation of 0.6. What percentage of students at the college have a GPA between 1.4 and 3.8? A) 99.7% B… read more
Kimberley Wright
Masters
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I need help with this question: Use a standard normal
Use a standard normal distribution table to find the percentage of area above the standard normal curve that is specified. What is the percentage of the are above Z=1.48? … read more
Sandhya_sharma
Master's Degree
Master's Degree
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The lengths of pregnancy terms for a particular species of
The lengths of pregnancy terms for a particular species of mammal are nearly normally distributed about a mean pregnancy length with a standard deviation of 10 days. About what percentage of births wo… read more
Kofi
PhD in Statistics
Ph.D.
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Probability and Statistic math question The heights of the
Probability and Statistic math question The heights of the aliens if the planet Mars are normally distributed with a mean of 40 inches and a standard deviation of 5 inches. They are vertically diverse… read more
Tom
Master's Degree
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Assume that a set of test scores is normally distributed
Assume that a set of test scores is normally distributed with a mean of 120 and a standard deviation of 20 . Use the​ 68-95-99.7 rule to find the following quantities. a. The percentage of scores less… read more
Sandhya_sharma
Master's Degree
Master's Degree
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Score ​-3.0 -2.8 ​-2.6 ​-2.4 ​ -2.2 ​-2.0 ​ -1.8 ​-1.6 ​-1.4
score ​-3.0 -2.8 ​-2.6 ​-2.4 ​ -2.2 ​-2.0 ​ -1.8 ​-1.6 ​-1.4 ​-1.2 Percentile 0.13 0.26 0.47 0.82 1.39 2.28 3.59 5.48 8.08 11.51​z-score ​-1.0 ​-0.8 ​-0.6 ​ -0.4 ​-0.2 0.2 0.4 0.6 0.8 1 Percentile 15.… read more
Ryan
Bachelor's Degree
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The lifetimes of light bulbs of a particular type are
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 lifetimes that lie within 2 s… read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
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
Ryan
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
Ryan
Bachelor's Degree
4,665 satisfied customers
1) Find the area under the standard normal curve: I. to
1) Find the area under the standard normal curve: I. to the right of z = -2.11 II. to the left of z = -2.11 2) Assume that the population of heights of female college students is approximately normall… read more
Math-John
30 satisfied customers
Some IQ tests are standardized to a Normal model, with a mean
Some IQ tests are standardized to a Normal model, with a mean of 100 and a standard deviation of 16. Based on the 68-95-99.7 rule, sketch the normal model for these IQ scores. Use your model to answer… read more
rajeevanpillai
Master's Degree
687 satisfied customers
The distribution of heights of young men is approximately Normal
The distribution of heights of young men is approximately Normal with mean 70 inches and standard deviation 2.5 inches. Use 68-95-99.7 rule to answer the following questions. a. what % of men are tall… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
A set of data is normally distributed with a mean of 200 and
A set of data is normally distributed with a mean of 200 and standard deviation of 50. · What would be the standard score for a score of 100? · What percentage of scores is between 200 and 100? · What… read more
Mr. Gregory White
Master's Degree
114 satisfied customers
given mean 152.7; stanard dev. +/-17.6; range of 109-176; median
given mean 152.7; stanard dev. +/-17.6; range of 109-176; median 154.5; what is the percentage… read more
Scott
Master's Degree
18,705 satisfied customers
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