Mathematics, 05.02.2021 21:10 s237200
After being involved in a car accident last month, Ralph's insurance company has increased his annual premium by $105.38. Approximately what change will Ralph see on his future monthly statements as a result of the change? A. Ralph's monthly insurance payment will not change. B. Ralph's monthly insurance payment will increase by $8.78. C. Ralph's monthly insurance payment will increase by $17.56. D. Ralph's monthly insurance payment will increase $105.38.
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 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
After being involved in a car accident last month, Ralph's insurance company has increased his annua...
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