Write an algebraic expression for the phrase. 5 times the sum of p and r
1 answer:
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From the question we are told that:
Total Sample size n=500
Dan's mean \=x_D= 3hr
Bret's mean \=x_D= 4hr
Generally, the Total hours spent doing leisure and sports activities is mathematically given by
For Sample A
For Sample B
Therefore
Average Time spent doing leisure and sports activities by an American Adult
For Sample A
For Sample B
Therefore
Dan is Correct because 3.08 or 3.09 is approximately equal to 3