i still cannot understand how they get the answer i am very slow learning please show step by step show working to get the answer one by one please i am really do not know how to get tq

2. A recent research survey reported that 48% of 18-to 29 year olds in Malaysia owns tablets. Using the binomial distribution, what is the probability that in the next six 18-to 29 year olds surveyed, a. Four will own the tablet? b. All six have the tablet? c. At least four have the tablets? d. What are the mean and standard deviation of the number of 18- t0 29 year olds who will own a tablet?