Determine the t critical value(s) that will capture the desired t-curve area in each of the following cases. (Assume tha

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Determine the t critical value(s) that will
capture the desired t-curve area in each of the
following cases. (Assume that central areas are centered
at t = 0. Round your answers to three decimal
places.)
(a) Central area = 0.95, df = 10
± _______

(b) Central area = 0.95, df = 20
± ______

(c) Central area = 0.99, df = 20
± ______

(d) Central area = 0.99, df = 40
± ______

(e) Upper-tail area = 0.01, df = 30
_______

(f) Lower-tail area = 0.025, df = 5
________