What will be the solution for 48, 50, 52, 68?

Finding Empirical Probabilities A polling organization is asking a sample of U.S. adults how many tattoos they have. The frequency distribution at the left shows the results. In Exercises 47 and 48, use the frequency distribution. (Adapted from The Harris Poll) Number of None One Two Three 71 Four or more 205 TABLE FOR EXERCISES 47 AND 48 48. What is the probability that the next person asked has two tattoos? Using a Frequency Distribution to Find Probabilities In Exercises 49-52, use the frequency distribution at the left, which shows the number of voting-age American citizens (in millions) by age, to find the probability that a citizen chosen at random is in the age range. (Source: U.S. Census Bureau) Frequency, f Ages (in millions) 18 to 29 18.9 30 to 44 53.9 45 to 64 78.1 65 and over 46.0 TABLE FOR EXERCISES 49-52 50. 30 to 44 years old 52. 65 years old and older 68. Access Code An access code consists of six characters. For each character, any letter or number can be used, with the exceptions that the first character cannot be 0 and the last two characters must be odd numbers. (a) What is the probability of randomly selecting the correct access code on the first try? (b) What is the probability of not selecting the correct access code on the first try