Mathematics, 13.12.2019 20:31 mstahuggoo6102
According to a study of the power quality (sags and swells) of a transformer, for transformers built for heavy industry, the distribution of the number of sags per week has a mean of 360 with a standard deviation of 108. of interest is x overbar, the sample mean number of sags per week for a random sample of 216 transformers. complete parts a through d below.
a. find e (x)
b. find var(x)
c. describe the shape of the sampling distribution of x
d. how likely is it to observe a sample mean number of sags per week that exceeds 414?
Answers: 2
Mathematics, 20.06.2019 18:04
Hey peoples! im bored add me on discord xd emmy#1782 < 3
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Mathematics, 21.06.2019 14:00
Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills
Answers: 2
According to a study of the power quality (sags and swells) of a transformer, for transformers built...
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