LURA 64 is a software project that was undertaken by the United States Air Force. The project was completed in the year 1985. It was used in the cryptographic security of various computer systems. It was first used in the system Aegis. It is a hardware encryption machine. It was created to ensure the security of messages.The term "vample opere" does not seem to be a commonly used term or have a clear definition. Therefore, it is difficult to provide an answer regarding its relation to LURA 64.The mean is the average of all the numbers in the data set while the mode is the number that appears most frequently in a data set. The median is the middle number when the data set is arranged in numerical order. Hence, the mean, median, and mode are three measures of central tendency.The following statement is true of the binomial distribution: (a) The expected value of the binomial distribution is np, where n is the number of experiments and p is the probability of success. The binomial distribution is a type of probability distribution that has two possible outcomes. It can take on different shapes and amounts of skew depending on the parameters. The binomial distribution function in Excel provides the probability mass function for a specified value when cumulative is set to FALSE. The expected value of the binomial distribution is np, where n is the number of experiments and p is the probability of success. Therefore, option (a) is the correct answer.Option (d) is not a characteristic of a normal probability distribution. The standard deviation of a normal probability distribution can be any positive number. Hence, the standard deviation must not be 1.The type of function that would be used to find the probability that X ≤ b for some number b, is the cumulative density function. Therefore, option (a) is the correct answer.