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
Answer: x = 5 1/3
Step-by-step explanation:
subtract 2/3 from each side
x = 5 1/3
Answer:
$447
Step-by-step explanation:
2,235 multiplied by .20
3 sq rt of 7 is a terminating decimal meaning it ends t therefore it's a rational number
Answer:
ca = 14
Step-by-step explanation: