Mathematics, 12.02.2020 21:25 lakinbacon4
A psychologist regularly runs rats through a maze and records the amount of time it takes them to finish. One hundred rats were run through a maze and they averaged 20 seconds with a standard deviation of 5 seconds. Assume that run-times follow a mound-shaped distribution. What can you say about the percentage of rats that took less than 10 seconds to finish?
Answers: 3
Mathematics, 21.06.2019 13:20
There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl
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Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
Mathematics, 21.06.2019 19:00
The distributive property allows you to say that 3(x − 1) = 3x −
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A psychologist regularly runs rats through a maze and records the amount of time it takes them to fi...
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