Population Mean: 170
STD: 62.3
Sample size 100
95% CI
99%CI
CI95 = mean ± 1.96 (sd/√n)
CI99 = mean ± 2.58 (sd/√n)
With your data:
CI95 = 170 ± 1.96 (62.3/√100)
CI99 = 170 ± 2.58 (62.3/√100)
I'll let you finish the calculations for the confidence intervals.