Three students conducted an experiment where they each went fishing at Town Lake seven different times throughout the year. Each
time they were fishing, they recorded the number of fish they caught and the average air temperature. Each student then made a scatter plot of the data they collected.
Match the conclusions with the scatter plot which the conclusions describe.
There is no
relationship between
the temperature and
the number of fish
caught.
There is a negative
relationship between
the temperature and
the number of fish
caught.
There is a positive
relationship between
the temperature and
the number of fish
caught.
Match the conclusions with the scatter plot which the conclusions describe.
There is no
relationship between
the temperature and
the number of fish
caught.
There is a negative
relationship between
the temperature and
the number of fish
caught.
There is a positive
relationship between
the temperature and
the number of fish
caught.
2 answers:
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Number of ways to select 3 books from 13 books for adoption is 286 .
<u>Step-by-step explanation:</u>
A Permutation is an ordered Combination. When the order does matter it is a Permutation. There are basically two types of permutation:
- Repetition is Allowed: such as the lock above. It could be "333".
- No Repetition: for example the first three people in a running race. You can't be first and second.
Formula is given by:
, where n is the number of things to choose from, and we choose r of them, no repetitions, order matters. Here , n=13 , r=3.
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∴ Number of ways to select 3 books from 13 books for adoption is 286 .
