Solve the problems

Activity: Solve the following problems I. The number of cars sold per day at a local car dealership, along with its corresponding probabilities, is shown in the succeeding table. Compute the mean, variance and the standard deviation of the probability dimbution boy following the given steps. Interpret the results. 1/10 2/10 3/10 2/10 2/10 2. The number of items sold per day at a retail store, with its corresponding probabilities, is shown is the ubli. Fraud the mean, variance and standard deviation of the probability distribution, Interpret the results 19 20 21 27 0.20 0.20 0:30 020 0.10