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Sampling distribution
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Questions (112)
please help me I've waited for hours
The average price of a gallon of unleaded regular gasoline was reported to be $2.34 in
3 answers
asked by
aaron need urgent help
802 views
The lifetime of a particular type of battery is normally distributed with a mean of 1100 days
and a standard deviation of 80
2 answers
asked by
Dherain
858 views
I need to verify one of my answers quickly...the problem is:
The mean annual salary for classroom teachers is $43,658. Assume a
2 answers
asked by
Laura
486 views
It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests
3 answers
asked by
LT
1,107 views
The sampling distribution of the sample mean is a probability model that illustrates the different values of the sample mean
1 answer
asked anonymously
26 views
The sampling distribution of the sample mean is a probability model that illustrates the different values of the sample mean
1 answer
asked anonymously
32 views
A national caterer determined that 87% of the people who sampled their food said that it was delicious. A random sample of 144
4 answers
asked by
Grace
4,114 views
The percent of fat calories that a person in America consumes each day is normally distributed with a mean of 36 and a standard
3 answers
asked by
Brandy
1,506 views
The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6
4 answers
asked by
Marshall
1,488 views
Suppose that, for the population of UVA undergraduate and graduate students, the distribution of age has a mean of 23 and a
4 answers
asked anonymously
37 views
Suppose that, for the population of UVA undergraduate and graduate students, the distribution of age has a mean of 23 and a
1 answer
asked anonymously
39 views
1. The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6
2 answers
asked by
Tasha
1,126 views
The time required by workers to complete an assembly job has a mean of 50 minutes and a standard deviation of 8 minutes. To spot
2 answers
asked by
Gift
1,051 views
A college’s data about the incoming freshmen indicates that the mean of their high school GPAs was 3.4, with a standard
1 answer
asked by
Lissa
1,042 views
Use the Sampling Distribution for a Mean option in StatKey to create a sampling distribution using samples of size n equals 10
2 answers
asked by
Anonymous
1,015 views
According to internal testing done by the Get-A-Grip tire company, the lifetime of tires sold on new cars is normally
2 answers
asked by
Brianna
1,020 views
How do you know of sampling distribution is large enough from a histogram?
1 answer
asked anonymously
21 views
For an IQ test, we know the population mean = 100 and the standard deviation =16. We are interested in creating the sampling
1 answer
asked by
amanda
947 views
Please help me with this question:
For an IQ test, we know the population � 5 100 and the �X 5 16. We are interested in creating
2 answers
asked by
Tonya
933 views
a random sample of 100 college students is taken from the student body of a large university. assume that a population mean of
3 answers
asked by
jc
904 views
Suppose that, in fact, the blood cholesterol level of all men aged 20 to 34 follows the normal distribution with mean of u = 188
3 answers
asked by
Zachovia
904 views
uppose that a category of world class runners are known to run a marathon (26 miles) in an average of 143 minutes with a
1 answer
asked by
mathhelpplease
884 views
The mean life expectancy of a certain type of light bulb is 945 hours with a standard deviation of 21 hours. What is the
2 answers
asked by
tf9346
876 views
Bookstore has a website for which 90 percent of their book sales are to out of state customers and not subject to the collection
1 answer
asked by
Teresa
836 views
5. A school newspaper article claims that 60% of the students at a large high school did all their assigned homework last week.
3 answers
asked by
Anonymous
4,207 views
The Tite Wire Company manufactures wires for circus acts. It has taken a
random sample of 100 pieces of wire and wants to see if
1 answer
asked by
Nancy
443 views
Suppose cars arrive at Burger King's drive-through at the rate of 20 cars every hour between 12:00 noon and 1:00 pm. A random
2 answers
asked by
Jake
802 views
the assets (in billions of dollars)of the four wealthiest people in a particular country are 46,34,12,10. Assume that the
2 answers
asked by
nannie
764 views
People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true
1 answer
asked by
Vanessa
743 views
A nationwide study indicated that 27% of adults said that chocolate was their favorite ice cream flavor. A simple random sample
2 answers
asked by
Megan
711 views
The bass in Clear Lake have weights that are normally distributed with a mean of 1.9 pounds and a standard deviation of 0.8
2 answers
asked by
Sara
687 views
The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a
2 answers
asked by
Brandy
678 views
Minutes
126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62
2 answers
asked by
Anonymous
653 views
Minutes
126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62
2 answers
asked by
Anonymous
584 views
A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10. -
-
2 answers
asked by
robyn
571 views
Minutes
126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62
2 answers
asked by
Anonymous
537 views
In the past a certain college has found that 35% of the students will grad within 4 years. A random sample of 450 students at
2 answers
asked by
danny
544 views
Sampling Distribution of 𝒑̅
4. The population proportion is .45. What is the probability that a sample proportion will be
2 answers
asked by
Snow
513 views
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' study habits and attitudes
2 answers
asked by
Yesenia
548 views
The Tite Wire Company manufactures wires for circus acts. It has taken a
random sample of 100 pieces of wire and wants to see if
2 answers
asked by
Nancy
504 views
Determine the sample mean and sample standard deviation of the sampling distribution of the mean.
1 answer
asked anonymously
13 views
True or false: as then number in the sample becomes larger and larger (assuming it means as the sample gets larger and larger),
1 answer
asked by
Anonymous
492 views
The sample mean to be calculated from a random sample of size n= 4 from a population consists of eight measurements (2, 6, 9,
1 answer
asked by
koky
483 views
Assume a population of any 4 numbers(suppose: 4,8,15,19). Select a random sample of size 2 with replacement from the population.
1 answer
asked by
Ali
477 views
Will the sampling distribution of means be approximately normal if n=25 or so, even if the frequency distribution of X values is
1 answer
asked by
Carol
485 views
Suppose that the ages of students at a particular university average 26 years with a standard deviation of 2.8 years. Consider
1 answer
asked by
Anonymous
452 views
Suppose it is known that the average score of all high school seniors taking a national test of basic skills is 420. These
1 answer
asked by
nana
468 views
Minutes
126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62
1 answer
asked by
vicke
475 views
Suppose that the percentage returns for a given year for all stocks listed on the new york stock exchange are approximately
1 answer
asked by
ileana
461 views
A particular fruit's weights are normally distributed, with a mean of 571 grams and a standard deviation of 18 grams.
If you pick
1 answer
asked anonymously
38 views
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Parent Categories (16)
Data Analysis
Descriptive Statistics
Math/Statistics
Mathematics/Statistics
Normal Distribution
Probability
Probability and Sampling
Probability and Statistics
Probability Distribution
Probability distributions
Probability Theory
Sampling
Sampling Methods
Sampling Theory
Statistical Distributions
Statistics