Mathematics, 17.11.2020 23:20 Jasten
HELP PLEASE I HAVE 5 MINUTES PLEASE HELP! (IGNORE THE HIGHLIGHTED ANSWER I PRESSED IT ON ACCIDENT)
Answers: 3
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 20:30
If rt is greater than ba, which statement must be true ?
Answers: 1
Mathematics, 22.06.2019 00:30
Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999
Answers: 2
HELP PLEASE I HAVE 5 MINUTES PLEASE HELP! (IGNORE THE HIGHLIGHTED ANSWER I PRESSED IT ON ACCIDENT)
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