Nine times the sum of a number and two is forty five. What is the number?
1 answer:
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Using the mean <u>formula and it's interpretation</u>, it is found that:
1. The mean is 7.52.
2. If we were to give this quiz to more and more students, the mean score for these students would approach 7.52.
The mean of a discrete distribution is given by the <u>sum of each outcome divided by it's respective probability</u>.
Hence, in this problem, according to the <u>distribution given</u>, the mean is:
The mean is 7.52.
The <em>interpretation </em>is that over many trials, the mean would approach 7.52.
A similar problem is given at brainly.com/question/24855677