Mathematics, 16.12.2020 16:20 ImmortalEnigmaYT
Based on a sample of 100 employees a 95% confidence interval is calculated for the mean age of all employees at a large firm. The interval is (34.5 years, 47.2 years).
A. What was the sample mean?
B. Find the margin of error?
C. Find the critical value tc for:
a. a 90% confidence level when the sample size is 22.
b. an 80% confidence level when the sample size is 49.
Answers: 3
Mathematics, 21.06.2019 20:30, nsbegay2007
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
Mathematics, 21.06.2019 21:00, leannaadrian
2x minus y equals 6, x plus y equals negative 3
Answers: 1
Mathematics, 21.06.2019 22:30, murdocksfamilyouoxvm
Adeposit of 5500 at 6% for 3 years equals
Answers: 2
Based on a sample of 100 employees a 95% confidence interval is calculated for the mean age of all e...
Biology, 13.10.2020 15:01
Biology, 13.10.2020 15:01
Chemistry, 13.10.2020 15:01
Mathematics, 13.10.2020 15:01
Biology, 13.10.2020 15:01