Answers: 2
Mathematics, 21.06.2019 16:50, gesic2003
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 21.06.2019 22:10, goodygoodgirlygirl
Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft
Answers: 1
Mathematics, 22.06.2019 02:30, samueldfhung
Solve the system of equations. x=-2y+1 and x+2y=9. show work
Answers: 1
System of equations by subsitution 4x+y=42 and y=x+7...
Mathematics, 24.06.2020 05:01
Mathematics, 24.06.2020 05:01