Question: What is the P-value with these figures using a left tailed test? I keep getting an error in my results. Sample Mean $247 Target 280

What is the P-value with these figures using a left tailed test? I keep getting an error in my results.

Sample Mean $247
Target 280
Standard Error $5.8058977
Test Statistic -5.68831606
Degree of Freedom 749

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