Population Mean: 170

Question

STD: 62.3
Sample size 100

95% CI

99%CI

Answer 1

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.