These are adenosine levels recorded on 43 experimental subjects. 0.55 0.69 0.71 0.84 0.85 0.93 1.04 1.13 1.23 1.25 1.27 1.27 1.33 1.47 1.61 1.87 1.94 1.98 2.16 2.91 3.05 3.18 3.18 3.45 3.47 3.49 3.66 3.77 3.86 4.14 4.32 4.4 4.62 5.51 5.74 5.8 5.84 5.92 6.29 6.49 6.9 6.94 7.36 (a) Find a nonparametric estimate of the probability that the level will be greater than 4.0. [13) Give a 95% condence for your estimate. (c) Find a nonparametric estimate of the probability that the level will be between 4 and 6. (d) Convert the estimate from (c) into a density.r estimate at a: = 5.0