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Find Q1 from the data set below: 20, 25, 26, 26, 26, 27, 29, 33, 41, 43

A bag contains 2 red marbles, 5 blue marbles, and 6 green marbles.  What is the probability that a randomly selected marble is blue?  Give answer in a reduced fraction.

Find the mean of the following data set: 54, 61, 59, 56, 55, 68 Round to two decimals

If the ProductionWorker is a subclass of the Employee class, which feature of the object-oriented language is demonstrated by the following code?   Employee e;   ProductionWorker  p = new ProductionWorker();   e = p;

What is the purpose of the following algorithm, assuming s references a String? boolean valid = (s != null);int i = 0;char ch;while (valid && i < s.length()){     ch = s.charAt(i);   valid = Character.isLetterOrDigit(ch);   i++;}

To treat primitive type values as objects, you must use ____________________ classes.

How many ways can a president, vice-president, secretary, and treasurer be chosen from a  club with 8 members? Assume that no member can hold more than one office.

Making an instance of one class a field (data member) in another class is called ________________.

License plates are made using 2 letters followed by 3 digits. How many plates can be made if repetition of letters and digits is allowed?  (There are a total of 26 letters and 10 digits.)

In the following code, assume that inputFile references a Scanner object that has been successfully used to open a file:What will be the value of totalIncome after the following values are read from the file? 2.58.53.05.5abc1.0