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To determine the number of...

To determine the number of fish in a lake, a park ranger catches 300 fish, tags them and returns them to the lake. Later 72 fish are caught, and it is found that 30 of them are tagged. Estimate how many fish are in the lake.

Jeff started playing quarterback last season. Last season he completed 289 passes of 451 attempted. This season he completed 314 passes of 515 passes attempted. Use cross products to determine whether the completion rate for last season is the same as the completion rate for this season.

o yes

o no

o not enough info

o too much info

Jeff started playing quarterback last season. Last season he completed 289 passes of 451 attempted. This season he completed 314 passes of 515 passes attempted. Use cross products to determine whether the completion rate for last season is the same as the completion rate for this season.

o yes

o no

o not enough info

o too much info

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