Mathematics, 30.10.2019 22:31 keke1871
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 142 millimeters, and a standard deviation of 6 millimeters. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would be greater than 139.7 millimeters? round your answer to four decimal places.
Answers: 2
Mathematics, 21.06.2019 13:50
Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?
Answers: 1
Mathematics, 21.06.2019 19:00
D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°
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
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean...
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