All Questions ⁺⁰237748 Questions

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There are 210 students in a twelfth grade high school class. 90 of these students have at least one sister and 105 have at least

There are 210 students in a twelfth grade high school class. 90 of these students have at least one sister and 105 have at least one brother. Out of these, there are 45 who have at least one sister and one brother. read more ..

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Guest Nov 23, 2018

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Humorous Question

I don't expect any answers, but answer if you'd like:
What's 8+2?

off-topic

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tanmai79 Nov 23, 2018

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records of the clients

Denis examined the records of the clients who had joined his gym more than six months ago, and he found these statistics:

P(joined in January)=0.12
P(member for over 6 months)=0.5 read more ..

Guest Nov 23, 2018

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5075

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plastic pot

You've decided you want a plant for your room. At the gardening store, there are 4 different kinds of plants (tulip, fern, cactus, and ficus) and 4 different kinds of pots to hold the plants (clay pot, plastic pot, metal pot, and wood read more ..

Guest Nov 23, 2018

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Help 1

Help 1

Which of these pairs of variables would you expect to be represented by a scatterplot with a negative correlation?
A. read more ..

NotSoSmart Nov 23, 2018

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Help 2

NotSoSmart Nov 23, 2018

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Help 4

Help 4

What is the significance of a correlation coefficient of 0.3?
A. read more ..

NotSoSmart Nov 23, 2018

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893

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Help 5

NotSoSmart Nov 23, 2018

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847

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Help 6

NotSoSmart Nov 23, 2018

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Help 7

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NotSoSmart Nov 23, 2018

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Help 8

CoolStuffYT ●

NotSoSmart Nov 23, 2018

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732

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Help 9

NotSoSmart Nov 23, 2018

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791

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Help 10

CoolStuffYT ●

NotSoSmart Nov 23, 2018

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Help 11

NotSoSmart Nov 23, 2018

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probability

In a class of 7, there are 4 students who play soccer.
If the teacher chooses 3 students, what is the probability that none of the three of them play soccer?

Guest Nov 23, 2018

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993

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Help 12

Help 12

Which regression model best fits the data set?
(2,13),(4,8),(5,7.5),(7,7)2,13,4,8,5,7.5,7,7 read more ..

NotSoSmart Nov 23, 2018

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703

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Help 14

tertre ●●●

NotSoSmart Nov 23, 2018

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Help 15

NotSoSmart Nov 23, 2018

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901

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Help 16

Help 16

Which is the first step for analyzing mathematical models? read more ..

NotSoSmart Nov 23, 2018

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Help 17

Help 17

Find the exponential model of best fit for the points (−3,5),(1,12),(5,72),(7,137)-3,5,1,12,5,72,7,137. Explain how you got your answer. Round values to the nearest hundredth.

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NotSoSmart Nov 23, 2018

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638

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Help 18

NotSoSmart Nov 23, 2018

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668

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Help 19

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NotSoSmart Nov 23, 2018

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887

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Help 20

tertre ●●●●●●

NotSoSmart Nov 23, 2018

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Help 6

Help 6

Which statement describes periodic motion?
read more ..

NotSoSmart Nov 23, 2018

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Hi!

Sorry if I'm wasting your time here, but I just want to say that I just registered.

tanmai79 Nov 23, 2018

1 Online Users