Calculus and Above

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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 40 liters, and standard deviation of 9.1 liters.A) What is the probability that daily production is bet… read more
rajeevanpillai
rajeevanpillai
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Master's Degree
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1. Consider a population of 200 with a mean of 50 and a
1. Consider a population of 200 with a mean of 50 and a standard deviation equal to 29. What is the probability of obtaining a sample mean of 52 or less from a sample of 40​? Click here to view page 1… read more
Scott
Scott
MIT Graduate
Master's Degree
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A particular fruit's weights are normally distributed, with
A particular fruit's weights are normally distributed, with a mean of 712 grams and a standard deviation of 18 grams.If you pick one fruit at random, what is the probability that it will weigh between… read more
rajeevanpillai
rajeevanpillai
Master's Degree
Master's Degree
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Suppose cattle in a large herd have a mean weight of 1217lbs
Suppose cattle in a large herd have a mean weight of 1217lbs and a variance of 10,404.What is the probability that the mean weight of the sample of cows would differ from the population mean by less t… read more
Neo
Neo
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A Food Marketing Institute found that 34% of households
A Food Marketing Institute found that 34% of households spend more than $125 a week on groceries. Assume the population proportion is 0.34 and a simple random sample of 152 households is selected from… read more
Kofi
Kofi
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A Food Marketing Institute found that 34% of households
A Food Marketing Institute found that 34% of households spend more than $125 a week on groceries. Assume the population proportion is 0.34 and a simple random sample of 152 households is selected from… read more
Sandhya
Sandhya
Master's Degree
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A Food Marketing Institute found that 60% of households
A Food Marketing Institute found that 60% of households spend more than $125 a week on groceries. Assume the population proportion is 0.6 and a simple random sample of 108 households is selected from … read more
Kofi
Kofi
Ph.D.
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A population of values has a normal distribution with μ =
A population of values has a normal distribution with μ = 217.4 μ = 217.4 and σ = 33.8 σ = 33.8 . You intend to draw a random sample of size n = 245 n = 245 .Find P29, which is the mean separating the… read more
Sandhya
Sandhya
Master's Degree
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In a recent year, the Better Business Bureau settled 75% of
In a recent year, the Better Business Bureau settled 75% of complaints they received. (Source: USA Today, March 2, 2009) You have been hired by the Bureau to investigate complaints this year involving… read more
Sandhya
Sandhya
Master's Degree
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The weights of steers in a herd are distributed normally.
The weights of steers in a herd are distributed normally. The variance is 40,000 and the mean steer weight is 900lbs. Find the probability that the weight of a randomly selected steer is between 1160 … read more
Kofi
Kofi
Ph.D.
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According to a survey, high school girls average 100 text
According to a survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the population standard deviation is 20 text messages. Suppose a random sample of 50… read more
Kofi
Kofi
Ph.D.
2,487 satisfied customers
Food Marketing Institute found that 58% of households spend
Food Marketing Institute found that 58% of households spend more than $125 a week on groceries. Assume the population proportion is 0.58 and a simple random sample of 114 households is selected from t… read more
Keith Pelletier
Keith Pelletier
Advanced Math Expert
Master's Degree
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A Food Marketing Institute found that 35% of households
A Food Marketing Institute found that 35% of households spend more than $125 a week on groceries. Assume the population proportion is 0.35 and a simple random sample of 120 households is selected from… read more
Keith Pelletier
Keith Pelletier
Advanced Math Expert
Master's Degree
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The weights of steers in a herd are distributed normally.
The weights of steers in a herd are distributed normally. The variance is 10,000 and the mean steer weight is 900lbs. Find the probability that the weight of a randomly selected steer is less than 110… read more
Sandhya
Sandhya
Master's Degree
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The weights of steers in a herd are distributed normally.
The weights of steers in a herd are distributed normally. The standard deviation is 200lbsand the mean steer weight is 1500lbs. Find the probability that the weight of a randomly selected steer is les… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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Although most of us buy milk by the quart or half gallon, farmers
Although most of us buy milk by the quart or half gallon, farmers measure daily production in pounds. Ayreshire cows average 47 pounds of milk a day with a standard deviation of 6 pounds. For Jersey c… read more
Ryan
Ryan
Bachelor's Degree
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Chapter 6 00. The average rent in a city is $1,570 per month
Chapter 6 00. The average rent in a city is $1,570 per month with a standard deviation of $200. Assume rent follows the normal distribution. Use the empirical rule to answer the following questions. a… read more
akch2002
akch2002
Master's Degree
3,314 satisfied customers
1. Consider a population proportion p = 0.68. a-1. Calculate
1. Consider a population proportion p = 0.68. a-1. Calculate the expected value and the standard error of 1formula176.mml with n = 20. (Round intermediate calculations to 4 decimal places, "expected v… read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
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