statistics and Probability

Find the number of distinguishable permutations of the letters in each word below. (a) tilted (b) Hollywood (c) decided Nine cards are marked with the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9, then shuffled, and three cards are drawn. N a. How many different 3-card combinations are possible? b. How many 3-card hands contain a number less than three? A group of 9 workers decides to send a delegation of 3 to their supervisor to discuss their grievances. Complete parts (a) through (c) below. W (a) How many delegations are possible? (b) If it is decided that a particular worker must be in the delegation, how many different delegations are possible? L The following data were gathered for 110 workers in two departments. Of these workers, 46 were in Department A, 4 workers in Department A earned more than $80,000, and 52 workers in Department B earned $80,000 or less Complete parts (a) through (d) below. (a) Find the probability that an individual is a worker in Department A earning $80,000 or less. (b) Find the probability that a worker is in Department B earning more than $80,000. (c) Find the probability that a worker is in Department B or is earning more than $80,000. (d) Find the probability that a worker is in Department A or is earning $80,000 or less