Mathematics, 24.10.2020 02:00 mrstaker1518
Challenge An arts academy requires there to be 5 teachers for every 75 students and 4 tutors for
every 36 students. How many students does the academy have per teacher? Per tutor? How many
tutors does the academy need if it has 81 students?
Please i need help asap.
Answers: 1
Mathematics, 21.06.2019 16:50
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, 22.06.2019 03:00
You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?
Answers: 1
Mathematics, 22.06.2019 06:20
What is the solution to the system of equations below? y=-1/3x+6 and y= 1/3x-6ono solutioninfinitely many solutions(-18, 12)(18,0)
Answers: 3
Mathematics, 22.06.2019 06:50
Concerned about campus safety, college officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. how many randomly selected students must be surveyed in order to be 95 % confident that the sample percentage has a margin of error of two percentage points?
Answers: 1
Challenge An arts academy requires there to be 5 teachers for every 75 students and 4 tutors for
ev...
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