This question checks your understanding of the relations between the t, F and chi-square distributions. Note that qt, qf and qchisq are functions in R for the quantiles functions. If you are unfamiliar with them, please check the R help pages for these functions.

String answers are expected; for any number between 0 and 1, start with "0" and don't use trailing 0s in the decimal places.

Part a)

The R command for getting qt(0.975,28) using qf() is______

Part b)

The R command for getting qchisq(0.975,28) using qf() is______