Build a binary search tree for the words oenology, phrenology, campanology, ornithology, ichthyology, lim- nology, alchemy, and astrology using alphabetical order.

Users of the online system for a Bank are required to set a password that is 10 character-long. Each character can be a letter, a 1-digit number, or a symbol from the list: !, @, #, &, % How many passwords are possible if there is no distinction between upper case and lower case letters? (Not Case-sensitive) How many passwords are possible if the first and last digits have to be numbers?

Draw an ordered stemplot of these scores: 22, 32, 34, 30, 28, 19, 26, 18, 19, 20. List the 'leaves' on the second row in this stemplot in their correct order.

I need to create a password for my bank account. I would choose each of the first 5 characters of the password from the English alphabet, each of the next 3 characters from the set of digits {0,1,2,3,4,5,6,7,8,9}, and each of the last two characters from the set of special characters {!,#,$,%,@}. How many different passwords are possible? (Your calculator may give you an answer in Scientific Notation, ask if you need explanations about the notation.)

The top six genres of podcasts in the year 2016 are listed in the table to the right. Use this information to list the elements of the following set. F, the set of genres with less than 30 million subscribers. Choose the correct answer below. O A. F = {News, Comedy, Fashion} O B. F = {News, Sports, Comedy, Fashion, Gossip, Fiction} OC. F={Sports, Gossip, Fiction} D. F = {News, Fashion, Gossip, Fiction} Rank 1 2 3 4 5 6 Genre News Sports Comedy Fashion Gossip Fiction Subscriptions 21,989,000 20,856,000 13,120,000 12,150,000 4,702,000 4,460,488

A family has 4 children. A tree diagram or systematic list can be used to show how many ways the children could have been born, from first born to last born. The ordering of children can be described with g's and b's. Determine how many ways the family could have had one boy and 3 girls.

Students are classified according to gender (male or female), status (regular or irregular), and field of specialization (mathematics, physics, languages). Draw a tree diagram to find all possible classifications. Determine the total number of possible classifications of students.

how many subsets does {8,9,10,11,12,14,15,16} have?

For some particular website, the password must start with one of the letters A, B or C. Then there must be 5 more characters and each of those characters must be a numeric digit or a lower case letter of the alphabet. Find the number of different passwords.

Students are classified according to gender (male or female) status (regular or irregular) and field of specialization (mathematics, physics, business or languages). draw sa tree diagram to find all possible classification. Determine the total number of possible classification of students.