## A bag contains 15 red candies,15 yellow candies, and 15 blue candies. What is the probability of randomly choosing two candies of the same color, without replacement?

Here we need to consider few things first We are not replacing There are totally 45 candies in the bag 15 red, 15 yellow and 15 Blue. It is to find probability of picking two SAME color candies. Here are the steps: It is to pick two same color candies without replacement. So, we have […]

## Victoria is pretty good at math and has an 80% chance of getting any problem correct. What is the probability that she will get at least two out of the first three questions on her test correct?

We need to see three things here 80% of chance of answer to be correct. So, 20% of chance of answer to be wrong. Probability that she will get ATLEAT two out of first three questions on her test correct. Steps to answer question. Atleast two out of the first three questions on her test […]

## Jenny has 6 tops, 6 bottoms, 2 belts, and 1 bracelets. Assuming that everything matches, how many different outfits can Jenny create?

Jenny has 6 tops, 6 bottoms, 2 belts and 1 bracelets. So, Jenny has 6 options to select the Top. He has 6 options to select the bottom 2 ways to select the belt And, 1 way to select bracelet. So, using multiplication rule of permutation and combination The different outfits the Jenny can create […]

## How many words of 7 letters can be created that start with a vowel and end with the letter Q? Note that a word is any combination of 7 capital letters and letters can be repeated.

How many words of 7 letters can be created that start with a vowel and end with the letter Q? Note that a word is any combination of 7 capital letters and letters can be repeated. We can solve this problem by finding how many ways to fill each letter of 7 letters and then […]