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A recent survey reported that 43% of 18- to 29-year-olds in a certain country own tablets. Using the binomial distribution, complete parts (a) through (e) below. a. What is the probability that in the next six 18- to 29-year-olds surveyed, four will own a tablet? The probability is (Type an integer or a decimal. Round to four decimal places as needed.) b. What is the probability that in the next six 18- to 29-year-olds surveyed, all six will own a tablet? The probability is (Type an integer or a decimal. Round to four decimal places as needed.) c. What is the probability that in the next six 18- to 29-year-olds surveyed, at least four will own a tablet? The probability is (Type an integer or a decimal. Round to four decimal places as needed.) d. What are the mean and standard deviation of the number of 18-to 29-year-olds who will own a tablet in a survey of six? The mean number of 18- to 29-year-olds who own tablets out of six surveyed is (Type an integer or a decimal. Round to four decimal places as needed.) The standard deviation of the number of 18- to 29-year-olds who own tablets out of six surveyed is (Type an integer or a decimal. Round to four decimal places as needed.) e. What assumptions do you need to make in (a) through (c)? Select all that apply. A. The outcome of any observation is dependent of the outcome of any other observation. B. The probability of an observation being classified as the event of interest, i, is constant from observation to observation. C. The outcome of any observation is independent of the outcome of any other observation, D. Each observation is classified into one of two mutually exclusive and collectively exhaustive categories