subject
Mathematics, 26.07.2019 08:00 jediDR

The desired percentage of sio2 in a certain type of aluminous cement is 5.5. to test whether the true average percentage is 5.5 for a particular production facility, 16 independently obtained samples are analyzed. suppose that the percentage of sio2 in a sample is normally distributed with σ = 0.32 and that x = 5.21. (use α = 0.05.)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet
Answers: 2
question
Mathematics, 21.06.2019 19:50
Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.
Answers: 3
question
Mathematics, 21.06.2019 20:00
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
Answers: 1
question
Mathematics, 21.06.2019 22:00
Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents
Answers: 2
You know the right answer?
The desired percentage of sio2 in a certain type of aluminous cement is 5.5. to test whether the tru...
Questions
question
Mathematics, 11.09.2019 19:20