Mathematics, 27.11.2019 21:31 zay179
The quality control manager of a tire company wishes to estimate the tensile strength of a standard size of rubber used to make a class of radial tires. a random sample of 49 pieces of rubber from different production batches is subjected to a stress test. the test measures the force needed to break the rubber in pounds. according to the sample results, the average pressure is 250 pounds and the standard deviation is 42 pounds. determine the 95% confidence interval.
Answers: 2
Mathematics, 21.06.2019 13:00
Find csc x if sin x + cot x cos x =√3 a. 9 b. 3 c. √(3)/2 d. √(3)
Answers: 1
Mathematics, 21.06.2019 16:30
Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.
Answers: 1
Mathematics, 21.06.2019 17:00
Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k
Answers: 1
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
The quality control manager of a tire company wishes to estimate the tensile strength of a standard...
World Languages, 26.07.2019 23:00
Health, 26.07.2019 23:00
Mathematics, 26.07.2019 23:00
Geography, 26.07.2019 23:10
Mathematics, 26.07.2019 23:10
Mathematics, 26.07.2019 23:10
Social Studies, 26.07.2019 23:10
Social Studies, 26.07.2019 23:10
History, 26.07.2019 23:10
Biology, 26.07.2019 23:10