For a Student$$s t$-$distribution with mean $0,$ standard deviation $1,$ and degrees of freedom $49,$ which of the following Python lines outputs the critical value a if The probability that t is less than a equals $0\mathrm{.}135.$ A is a constant.? Note: a is a constant. Select one.

Question $4$ options:

import scipy.stats as st

print$($st$.$t$.$sf$(0\mathrm{.}135,49,0,1))$

import scipy.stats as st

print$($st$.$t$.$cdf$(0\mathrm{.}135,49,0,1))$

import scipy.stats as st

print$($st$.$t$.$ppf$(0\mathrm{.}135,49,0,1))$

import scipy.stats as st

print$($st$.$t$.$pdf$(0\mathrm{.}135,49,0,1))$