A random sample of 197 full-grown chickens had a mean weight of 17 ounces and a standard deviation of 3.1 ounces. Construct a 98
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Answer:
The formula is
The 14th term is 40, in other words,
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Explanation:
The given sequence is 1, 4, 7, 10, ...
Subtract each adjacent term:
- 4-1 = 3
- 7-4 = 3
- 10-7 = 3
This shows that each term is increasing by 3. This is the common difference, so d = 3.
The first term is
The nth term of the arithmetic sequence is...
As a check, let's plug in say n = 3 to find that:
The third term is 7, which matches with the sequence given to us. I'll let you confirm the other values.
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We'll repeat this idea but now for n = 14 to find the 14th term of the sequence.
The 14th term is 40.
You can make a table of values to help confirm the answer. In the first column you'll have the values of n (1,2,3,...) all the way up to 14. The second column will consist of the sequence 1, 4, 7, 10, ... each time going up by 3 until you reach the 14th term of 40.