Take Quiz A random sample of adults, aged 20 to 30 years, was selected and asked "in the past seven days, how many times did you go to a gym or work out?" Let X represent their responses. The following table is the probability model for the answers received. Days O 2 3 4 5 6 Probability 0.68 0.05 0.07 0.08 0.05 0.04 0.01 (a) Complete the table. (b) Calculate the mean and standard deviation for the distribution. (c) What is the probability that the number of days a person went to the gym exceeds the mean? Please select all statements that are true. O Part (a): Days 0 1 2 3 4 5 6 1 Probability 0.68 0.05 0.07 0.08 0.05 0.04 0.01 0.04 O Part (a): Days 0 1 2 3 4 5 6 7 Probability 0.68 0.05 0.07 0.08 0.05 0.04 0.01 0.98 Part (a): Days 0 1 2 3 4 5 6 7 Probability 0.68 0.05 0.07 0.08 0.05 0.04 0.01 0.02 O Part (a): Days 0 1 2 3 4 5 6 7 Probability 0.68 0.05 0.07 0.08 0.05 0.04 0.01 0.04 O Part (b)