Amy wants to buy a pair of jeans that cost $65. Today the store is offering a straight discount of 25%. Calculate her savings an
2 answers:
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Answer:
The domain is discrete
Step-by-step explanation:
Given
Required
What type of domain is it?
<em>Based on the given options, the domain is continuous.</em>
From the question, we understand that x represents the hours spent in climbing the rock.
The climber can decide to climb for 1 hour, 2 hours, ½ hour, ⅓ hour, ¼ hour, etc..
A domain is said to be discrete if it can only take integers (i.e. whole numbers), if otherwise, it is continuous;
So, since x is not limited to only whole numbers, then we can conclude that the domain of x is continuous
Answer:
Variance of the given data = 31.143
Explanation:
Variance, , where n is the number of observations, μ is the mean and
is the observations made.
Number of observations, n = 7
Mean, μ =
So variance of the given data = 31.143