Mathematics, 18.10.2021 19:20 Ree0628
The quality control manager at a computer manufacturing company believes that the mean life of a computer is 120
120
months, with a standard deviation of 10
10
months.
If he is correct, what is the probability that the mean of a sample of 90
90
computers would differ from the population mean by less than 0.85
0.85
months? Round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 19:30
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Mathematics, 21.06.2019 19:40
The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose
Answers: 2
The quality control manager at a computer manufacturing company believes that the mean life of a com...
Social Studies, 06.05.2020 20:34
Mathematics, 06.05.2020 20:34
Mathematics, 06.05.2020 20:34
English, 06.05.2020 20:34
History, 06.05.2020 20:35
History, 06.05.2020 20:35
Mathematics, 06.05.2020 20:35
Mathematics, 06.05.2020 20:35
Mathematics, 06.05.2020 20:35
English, 06.05.2020 20:35