Ask a New Question

Question

There are 5 red tiles and 5 blue tiles with the letter A in a bag. There are also 6 red tiles and 4 blue tiles with the letter B in the bag. What is the probability that a randomly selected tile is blue or has the letter B?
6 years ago

Answers

bobpursley
p(Blue or B) = p(Blue) + p(B) – p(Blue and B).
= 9/(20)+ 9/20 - 4/20=14/20=.7
6 years ago
Tiberius
Probability of blue tile= 9/20
probability of letter b tile= 10/20= 1/2
Probability of blue or letter b= Probability of blue + probability of letter b
= 9/20 + 1/2
= 19/20
4 years ago

Related Questions

I have a bag of tiles 0-9. Without looking select a tile, record, return tile, select a second tile.... there are four tiles in a bag. two are yellow one is green and one is blue. how many possible out co... In a bag there are 7 red tiles, 3 blue tiles, and 2 purple tiles. How many and what color tiles wou... a bag contains 6 red tiles and 15 yellow tiles. remove 2 red tiles. How many yellow tiles should she... Like tiles are tiles that have the same shape. Group like tiles together and remove the zero pairs.... We can also use tiles to help us represent the situation. x _ 6 4 x tiles and 3 negative tiles = 5 x tiles and 4 positive tiles. Examine the algebra tiles. Whic... What do the three red tiles in the model of the equation below represent? 2 long x tiles and 3 sq... 9 tiles as possible into each row. Then name the number of groups and the number of tiles in each g...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use