Mathematics, 24.06.2019 12:20 princessjsl22
An article in the asce journal of energy engineering ("overview of reservoir release improvements at 20 tva dams," vol. 125, april 1999, pp. 1-17) presents data on dissolved oxygen concentration from streams below 20 dams in the tennessee valley authority system. the sample mean from the observations is and the sample standard deviation is assume population is approximately normally distributed. round your answers to 2 decimal places. (a) calculate the 95% two-sided confidence interval on the mean oxygen concentration. (b) calculate the 95% two-sided prediction interval on the dissolved oxygen concentration for the next stream that will be tested. (c) find an interval that will contain 95% of the values of the dissolved oxygen concentration with 99% confidence.
Answers: 3
Mathematics, 21.06.2019 18:00
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
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Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least βc.β using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least βcβ?
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Mathematics, 21.06.2019 23:30
Hundred and tens tables to make 430 in five different ways
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An article in the asce journal of energy engineering ("overview of reservoir release improvements at...
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