Answer the ff. Give the solutions.

TEST 1. SOLVING

1. You need to put your 4 huskies in a single - file line to pull your sled. However the 2 are best friends, so you have to put them in next to each other. How many ways can you arrange your huskies?

A. 44 B. 12 C. 24 D. 15

2. In how many different ways can the letter of the word "EXIST" be arranged so that the order of the consonant remain the same?

A. 5 B. 20 C. 120 D. 240

3. How many ways are there to select the starting 5 basketball players from pool of 15 who can play all the position?

A. 3,003 B. 3,330 C. 3,333 D. 3,300

4. A classroom consist of 3 rows of 5 chairs each. How many possible ways can a teacher assign seats to her 8 students?

A. 6,345 B. 6,535 C. 6,545 D. 6,465

Answer the ff questions.

TEST 2. IDENTIFICATION

1. what do we call if the event a and b are null?

2. it is the set of outcomes in S which are not in A