The manager of Lawn and Garden Services would like to estimate the proportion of employees' times spent performing various gardening or lawn care activities. The manager has made 400 random observations of a typical worker, with the following results: ACTIVITY NO. OF TIMES OBSERVED Mowing 200 Trimming 80 Raking 40 Miscellaneous 80 What is the probability that the true proportion of time spent mowing is exactly equal to the sample proportion? Multiple Choice 0.5 0.0 1.0 0.2 0.1