Mathematics, 10.08.2019 00:20, jimyyyy
An automatic machine is set to fill bags of dog food with exactly 25 pounds on average with a standard deviation of 0.5 pounds. a random sample of 100 bags was selected. the sample mean was found to be 24.85 pounds. determine whether or not the machine is working properly using a 5% level of significance.
Answers: 1
Mathematics, 21.06.2019 18:00, arianaguerin
Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.
Answers: 1
Mathematics, 21.06.2019 21:00, samiiegarciia
Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.
Answers: 2
Mathematics, 22.06.2019 00:00, karinagonzale80
If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
Answers: 1
An automatic machine is set to fill bags of dog food with exactly 25 pounds on average with a standa...
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