*NOTE: For help with this exercise, click here to open the video. Five coins are tossed in the air and the number that land "heads-up" are recorded. This trial is repeated 180 times , each time the number of heads is noted. For these 180 trials, the following table describes the proportion of times each outcome was observed. Frequency Relative Freq No heads 0.044 1 head 0.15 2 heads 3 heads 4 heads 0.156 5 heads 0.039 Total: a. Fill-in the missing values to complete the table above. b. How many of these 180 trials resulted in "4 or more" heads? The number of trials involving "4 or 5" heads is equal to c. For these 180 outcomes, what proportion of trials resulted in "4 or more" heads? The proportion of trials involving "4 or 5" heads is equal to