A random variable x follows a normal distribution with a

Assignment Help Basic Statistics
Reference no: EM13580335

A random variable X follows a normal distribution with a mean of 10 and standard deviation of 3. A standardized value of X was found to be Z = 3. The value of X is then

A. 19

B. Cannot be determined from the information given.

C. 0.0013

D. 0.9987

Reference no: EM13580335

Questions Cloud

Test at the 05 level of significance whether the proportion : after a losing season there is a great uproar to fire the head football coach. in a ran-dom sample of 200 college
The table below shows the durations of eruptions x in : question 1 twenty-one homes with living areas under 2000 sq ft have selling prices with a standard deviation of
An object is in simple harmonic motion find an equation : an object is in simple harmonic motion. find an equation for the motion given that the frequency is 4pi and at time t
Determines the length of the short axis of the galaxy a to : an alien pilot of an intergalactic spaceship on a mission to measure the sizes of galaxies is traveling at 0.86c
A random variable x follows a normal distribution with a : a random variable x follows a normal distribution with a mean of 10 and standard deviation of 3. a standardized value
A sample of 30 is selected and their ages are recorded as : a researcher claims that the average age of people who buy lottery tickets is 61. a sample of 30 is selected and their
The following table shows the distribution of blood types : the following table shows the distribution of blood types in the general populationhoxworth blood center cincinnati
In a study conducted by ucla it was found that 30 of : in a study conducted by ucla it was found that 30 of college freshmen support increased military spending. if 12
If the mean plasma-aldosterone level in african american : if the mean plasma-aldosterone level in african american children what was them mean230 pmoll with standard deviation

Reviews

Write a Review

Basic Statistics Questions & Answers

  Calculate a 95% confidence interval

Calculate a 95% Confidence Interval

  What is the probability that ed finishes last

What is the probability that Dave wins the sprint and what is the probability that Dave wins and John places second, what is the probability that Ed finishes last

  Explaining linear programming module-transportation module

Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.

  Explain the concept of regression analysis

Explain the concept of "Regression Analysis", its types (3 types at least), applications and usefulness. Provide real application of its usage.

  What was redbeards mean whisker length

The data for the cats, you realize that if you now include data from one more cat, Redbeard, the mean whisker length of the cats becomes 10.514 cm. What was Redbeard's mean whisker length?

  What is the probability that the mean is above 51.1

Probability using normal distribution.Sampling distributions. Given a normal distribution with μ = 50 and standard deviation σ = 9, if a sample of n = 100 is selected.

  Relationship between entrepreneurial behaviour of firms

Entrepreneurship researchers are interested in the relationship between entrepreneurial behaviour of firms, such as innovation or new business venturing, and performance indicators, such as sales growth or profitability.

  Lengths of the burglary-uniformly distributed

A burglar plans his crimes so carefully that the lengths of the burglary are uniformly distributed between 50.0 and 52.0 minutes. Find the probability that a given burglary runs between 51.0 and 51.5 minutes.

  Mean of the distribution of sample means

List all samples of 3 and compute the mean of each sample. Compute the mean of the distribution of sample means and population mean. compare the two values

  Estimate the standard error of the mean

A random sample of 49 employees took a computer literacy test. The sample resulted in a mean score of 75 with a standard deviation of 21. Estimate the standard error of the mean.

  Find required sample size in order to meet desired accuracy

The clinic estimates that the true population standard deviation is around $2,100. If the confidence level is 95%, find the required sample size in order to meet the desired accuracy.

  Minimum sample size to assure estimate of margin of error

What is the minimum sample size you should use to assure that your estimate of will be within the required margin of error around the population p?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd