Find fang, for F distribution with (4,?) degrees of freedom. fans = :] (Round the answer to 2 decimal places] Question Help: 8 Message instructor . Question 19 E.\" 2 pts '0 1 6) Details For a normal variable X m N(,u = 45.2, or = 10.04), find 2:045, the value that divides the area under the density curve into 0.54 to the left and 0.46 to the right. 29,45 = :] (Round the answer to 2 decimal places) Question Help: 3 Message instructor . Question 20 I3 2 pts '0 1 6 Details Find the 53 -th percentile for a normal random variable X m N {11L = 24.7, 0' = 4.8). The 53-th percentile for X is :] {Round the answer to 2 decimal places) Question Help: 8 Message instructor