Please help me with this exercise:((
...
Mathematics, 20.06.2021 19:40 jeremiahjohnsonclapg
Please help me with this exercise:((
Answers: 2
Mathematics, 22.06.2019 04:30, orlando19882000
Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean
Answers: 2
Mathematics, 22.06.2019 04:50, landowatson123
Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40
Answers: 3
Biology, 23.07.2021 05:30
English, 23.07.2021 05:30
Chemistry, 23.07.2021 05:30
History, 23.07.2021 05:30
Mathematics, 23.07.2021 05:30
Social Studies, 23.07.2021 05:30
Mathematics, 23.07.2021 05:30