Question
Asked Oct 9, 2019
2 views
What is the probability of getting a sample mean between 500 and 520 if the population mean is 500
and the standard error of the mean is 20?
help_outline

Image Transcriptionclose

What is the probability of getting a sample mean between 500 and 520 if the population mean is 500 and the standard error of the mean is 20?

fullscreen
check_circle

Expert Answer

Step 1

The population mean is 500 and the standard error of the mean is 20.

The probability of ge...

help_outline

Image Transcriptionclose

P(z<Z<z) P(Z<z)-P(Z<z) P(500<520) = P 500-500T-u520-500 20 20 =P(0< Z <1) P(Z<1)-P(Z<o) |아두

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: This problem involves the flipping of a fair coin. Assume that the coin is flipped 4 times, and the ...

A: Consider,Let X be a random variable that is discrete random variable.H be a total number of heads.T ...

question_answer

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you bel...

A: Sample size:The  sample size for a desired confidence level, α with a given margin of error, E is gi...

question_answer

Q: A colony of laboratory rats contain 16 white rats and 9 spotted rats.What is the probability of rand...

A: Introduction:Probability of an event is the number of outcomes favorable to the event, divided by th...

question_answer

Q: Proctor &amp; Gamble reported that an American family of four washes an average of 1 ton (2000 pound...

A: Introduction:Here, the suggested population mean, μ = 2,000 pounds.The population standard deviation...

question_answer

Q: A basketball player has a free throw percentage of 93%. What is the probability she misses at least ...

A: The probability of she misses at least one of his next 27 free throws is obtained below:Let X be the...

question_answer

Q: Several researchers have found that evaluating the internal control procedures of an organization by...

A: Margin of error (E):The margin of error for sample mean is given by,

question_answer

Q: In a batch of 8,000 clock radios, 2% are defective. A sample of 11 clock radios is randomly selected...

A: We are given,Probability of defective = p = 2% = 0.02Sample size = n = 11Lot size = 8000

question_answer

Q: how do you find the standard deviation?

A: Standard deviation:The standard deviation indicates by how much each observation differs from a cent...

question_answer

Q: Hello again, I posted a question and the answer I received did not address the question. Instead, as...

A: Note:Hey there! Thank you for bringing up your doubt. We would try to answer to the best of our abil...