Please help ASAP!!!!! will mark brainliest if quick and correct 20. Choose a selection from the Crossing Borders unit. Write a short explanation of how one of the individuals in its on Delfino II: Diez in the desert is affected by a border crossing. Use examples or details to support your answer.

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abaygetachew439 abaygetachew439 · Answer 1 · 2024-01-10T19:57:24+01:00

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2. A simple random sample of 50 items from a population with a 6 resulted in a sample mean of 32.

Provide a 90% confidence interval for the population mean. h. Provide a 95% confidence interval for the population mean.

Provide a 99% confidence interval for the population mean.

3. A simple random sample of 60 items resulted in a sample mean of 80. The population standard deviation iso 15.

Compute the 95% confidence interval for the population mean. h.

Assume that the same sample mean was obtained from a sample of 120 items. Provide a 95% confidence interval for the population mean.

c. What is the effect of a larger sample size on the interval estimate?

4. A 95% confidence interval for a population mean was reported to be 15210 160. If a 15. what sample size was used in this study?