please explain why each option is or isn't correct

Correct! This is a paired sample t-test You Answered The mean number of microbes does not increase after adding nutrients to the medium (at the 0.01 significance level) Correct! The mean number of microbes increases after adding nutrients to the medium (at the 0.05 significance level) You Answered This is a two-tailed t-testQuestion 13 0 / 1 pts A biologist is testing if the number of microbes increases after adding nutrients to the same medium, given the critical values of the t- distribution and the results displayed in the table below, which is/are true (more than one can be true)? Two TaWed Test One-Told Test 0.01 0.05 G.01 12.71 63.68 631 31.82 4 30 2 07 318 5.84 2:35 1.54 Difference [after-before) 2. 78 2.13 3.75 20 257 2 02 sample 2.45 3.71 3.14 sample 3 3.50 sample 4 2.31 mple 5 16 2:26 3.25 1.83 sample 5 10 2:23 2.78 sample T 11 2:20 3.11 1 80 2.72 mean diff. 17.14 12 2.18 1.78 st dev. 11.54 13 2.16 3.01 2 64 2.14 1.76 2.13 1.75 2 60 16 2.12 1.75 2 58 17 211 290 1.74 257 2 68 1.73 255