For spirit day, each 8th-grade homeroom designs a unique two- color t-shirt. they get to choose from the colors red (r), blue (b), green (g), violet (v), and orange (o). each t-shirt is a solid color with a different color used for the student's name. what is the probability that a homeroom will have a t-shirt with a combination of blue and violet? (a) p(b and v)=10% (b) p(b and v)=20% (c) p(b and v)=30% (d) p(b and v)=40%

Option A

P(B and V)=10%

Step-by-step explanation:

To solve this poroblema we use the formula of combinations:

Where n is the number of objects that can be chosen and you choose r from them.

There are 5 colors of shirts.

The number of shirts that can be made by combining 2 of the 5 possible colors is calculated as:

The number of shirts that can be made by combining 2 of the 2 possible colors (B) and (V) is calculated as:

Then the probability is:

d≈7.07in

step-by-step explanation:

d

step-by-step explanation: