Answered

IDNLearn.com provides a user-friendly platform for finding answers to your questions. Our experts are ready to provide in-depth answers and practical solutions to any questions you may have.

What assumption do we need to make to find a valid 99% confidence interval for the mean number of all workplace homicides per year

Sagot :

We have to assume that the sample mean is given , distribution is normal and sample size is also given.

Given confidence level 99%.

We have to answer the assumptions that are needed to make a valid 99% confidence interval.

Confidence interval can be made by formula of margin of error.

Margin of error is the difference between actual values and the calculated values.

Upper level of confidence interval=Mean+ margin of error

Lower level of confidence interval= Mean - margin of error.

Margin of error=z*σ/[tex]\sqrt{n}[/tex]

where z is the corresponding z value for the confidence level given ,

σ is population mean and n is sample size.

Hence to calculate the confidence interval we need population mean, sample size.

Learn more about confidence interval at https://brainly.com/question/15712887

#SPJ4

Your participation is crucial to us. Keep sharing your knowledge and experiences. Let's create a learning environment that is both enjoyable and beneficial. Find clear and concise answers at IDNLearn.com. Thanks for stopping by, and come back for more dependable solutions.