I need some assistance with the answers with these few questions.

1.) Part 3?

Following is the probability distribution of a random variable that represents the number of extracurricular activities a college freshman participates in. X 0 1 2 3 4 P(x) 0.07 0.13 0.45 0.22 0.13 Send data to Excel Part 1 of 3 (a) Find the probability that a student participates in exactly one activity. The probability that a student participates in exactly one activity is | 0.13 Part 2 of 3 V (b) Find the probability that a student participates in less than three activities. The probability that a student participates in less than three activities is 0.65 Part: 2 / 3 Part 3 of 3 (c) Find the probability that a student participates in at most three activities. The probability that a student participates in at most three activities isA binomial experiment has the given number of trials :1 and the given success probability p. n=4,p=0.3 (a) Determine the probability 13(2). Round the answer to at least three decimal places. m):- (b) Find the mean. Round the answer to two decimal places. The mean is -. (c) Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to at least three decimal places. The standard deviation is D. A binomial experiment has the given number of trials :1 and the given success probability p. n=13,p=.2 (a) Determine the probability 13(2 or fewer). Round the answer to at least four decimal places. P (2 or fewer) = {b} Find the mean. Round the answer to two decimal places. The mean is -. (c) Find the variance and standard deviation. Round the variance to two decimal places and standard deviation to at least three decimal places. The standard deviation is D