Find the value of t for a t-distribution with 50 degrees of freedom such that the area to the left of −t plus the area to the right of t equals 0.01. Round your answer to three decimal places, if necessary.

What situation is an example of an observational study

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )