Mathematics, 09.02.2021 20:00 zahrast14
Ms. Cathy bought a package of pencils. Out of every 10 pencils, 8 are black. If there are 30 pencils in the pack, what fraction of the pencing in the pack are black?
What percent of the pencils in the pack are black?
What fraction of the pencils in the pack is black?
Answers: 2
Mathematics, 21.06.2019 17:00
Suppose i flip two identical coins. what is the probability that i get one head and one tail?
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Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 18:30
Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.
Answers: 1
Ms. Cathy bought a package of pencils. Out of every 10 pencils, 8 are black. If there are 30 pencils...
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