OneSampleTTest(A, 5.05, confidence = 0.99):

Standard T-Test on One Sample
-----------------------------
Null Hypothesis:

Sample drawn from population with mean 5.05
Alt. Hypothesis:
Sample drawn from population with mean not equal to 5.05

Sample size:             1000
Sample mean:             5.00533
Sample standard dev.:    0.301175
Distribution:            StudentT(999)
Computed statistic:      -4.69056
Computed pvalue:         3.10314e-06
Confidence interval:     4.980748008 .. 5.029906280
                         (population mean)

Result: [Rejected]
There exists statistical evidence against the null hypothesis