Calculus and Above

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The amount of annual snowfall in a certain mountain range is
The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. If LaTeX: \overline{X} X ¯ represents the average amou… read more
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Suppose X~N(LaTeX: \mu μ =3,LaTeX: \sigma σ =2). Find
Suppose X~N(LaTeX: \mu μ =3,LaTeX: \sigma σ =2). Find P(X<4.7). Round you answer to 3 decimal places.… read more
Sandhya_sharma
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The amount of annual snowfall in a certain mountain range is
The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 72 inches and a standard deviation of 11 inches. What is the probability that the annual snowfall for 1… read more
Sandhya_sharma
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The amount of annual snowfall in a certain mountain range is
The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. If LaTeX: \overline{X}X ¯ represents the average amoun… read more
Kofi
PhD in Statistics
Ph.D.
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The amount of annual snowfall in a certain mountain range is
The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 70 inches and a standard deviation of 10 inches. What is the probability that the annual snowfall for 1… read more
Kofi
PhD in Statistics
Ph.D.
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Let x represent the dollar amount spent on supermarket
Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping interval. Based on a certain article, the mean of the x distribution is about $22 and the esti… read more Sandhya_sharma Master's Degree Master's Degree 18,299 satisfied customers 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 2,134 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
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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
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A survey was conducted to measure the height of men. In the
A survey was conducted to measure the height of men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 68.7 inches and a sta… read more
Ryan
Bachelor's Degree
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Total cholesterol levels of a sample of men aged 35-44 are
A total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 203 milligrams per deciliter and a standard deviation of 38.3 milligrams per deciliter. a. What percent… read more
Stevewh
Teacher
Bachelor's Degree
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Let x be a random variable representing the length of a Atlantic
Let x be a random variable representing the length of a Atlantic croaker in controlled lake. A friend claims that the average length of trout caught in this lake is 19 inches. To test this claim we fi… read more
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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
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I. a. What percentage of the area of the standard normal distribution
I. a. What percentage of the area of the standard normal distribution is between z = -2.00 and z = +2.00? How do you know this? b. Find the following: P(z > 2.43) II. 1. A set of 50 data values has… read more
Chirag
Master's Degree
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assume the population of heights of female college students
assume the population of heights of female college students is approximately normally distributed with mean of 64.58 inches and standard deviation of 3.82 inches. A random sample of 89 heights is obta… read more
Osbert12
Master's Degree
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5. The following data lists the average monthly snowfall for
5. The following data lists the average monthly snowfall for January in 15 cities around the US: 15 14 8 3 24 13 13 18 41 17 32 28 21 37 31 Find the mean, variance, and standard deviation. Please show… read more
Chirag
Master's Degree
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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
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1. For a particular sample of 68 scores on a psychology exam,
1. For a particular sample of 68 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 89 Standard deviation = 7 Range = 60 Mean = 70 Median = 73 Mode … read more
Stevewh
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