Answer:
Step-by-step explanation:
<h2>
Explanation:</h2>
We are given two functions:
So, we have to find which is the sum of these two functions:
<h2>Learn more:</h2>
Shifting graphs: brainly.com/question/10010217
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Answer: B
Step-by-step explanation:
Answer:
Here is a summary of the Boston Marathon completion times for two years.
Year
Mean (minutes)
Standard deviation (minutes)
Number of runners
2012
263
50
21,576
31,984
2014
243
52
A sports journalist takes separate random samples of 35 runners from each year. Then they look at the
difference in the mean completion time sampled from each year 2012 - 2014).
What do we know about the shape of the sampling distribution of D2012 22014, and why?Step-by-step explanation: