Question

how many different ways can a band teacher select the lead and co-lead trumpet player from a group of 12 trumpet players?
132
264
312
448

Answer 1

thats not an option. Is there any other ways you can redo the problem to make it fit either 132,264,312,448

Answer 2

I would have used the permutation principle since we have definite positions.

The lead can be picked in 12 ways
the second can be picked in 11 ways

number of ways = 12*12 = 132

Answer 3

hey bot, don't make it sound as if your method was a "valid" method,
it was just plain WRONG.

Answer 4

When building a house, you have the choice of 7 different floor plans, 2 different exteriors and 2 different type of flooring. How many choices are there for one house?
7
28
4
14

Answer 5

thats not an option, is there anyway that is would fit into the answers
7
28
4
14

Answer 6

there are 25 people competing in a race. In how many ways can they finish in first and second place?
49
400
600
625

Answer 7

A bag contains tiles with the letters COMBINATIONS lee chooses a tile withoht looking and doessnt replace it. He cooses a second tile without looking. what is the probability that he will choose the letter O both times?
1/132
1/72
1/66
1/23

Answer 8

is there a way that it can change to be to make it be
1/132
1/72
1/66
1/23

Answer 9

so 1/72?

Answer 10

A pizza shop offers the toppings shwn below. How many different 3 toppings pizzas can you make?
pepperoni
mushrooms
sausage
onion
ham
6
10
4
5

Answer 11

A bag contains tiles with the letters P-R-O-B-A-B-I-L-I-T-Y. Tyler chooses a tile without looking and doesn’t replace it. He chooses a second tile without looking. What is the probability that he will choose the letter I both times?

A. one over fifty-five
B. two over fifty-five
C. two over one hundred twenty-one
D. three over one hundred twenty-one