You may need to use the appropriate appendix table or technology to answer this question. Find the t value(s) for each of the following cases. (Round your answers to three decimal places.) (a) upper tail area of 0.025 with 18 degrees of freedom (b) lower tail area of 0.05 with 50 degrees of freedom (c) upper tail area of 0.01 with 30 degrees of freedom (d) where 90% of the area falls between these two t values with 25 degrees of freedom and both t values are the same distance from smaller value larger value (e) where 95% of the area falls between these two t values with 43 degrees of freedom and both t values are the same distance from smaller value larger value