A block is randomly selected out of a toy box. The probability of selecting a red block is 0.25. The probability of selecting a

Question

2 years ago

7

A block is randomly selected out of a toy box. The probability of selecting a red block is 0.25. The probability of selecting a

block that is both a red block and has a stripe is 0.05.
What is the probability of selecting a red block with a stripe given the toy is a red block?

Enter your answer as a decimal in the box.

Mathematics

1 answer:

Sonja [21] · Answer 1 · 2022-03-04T22:03:42+03:00

Sonja [21]2 years ago

4 0

Answer:

0.2

Step-by-step explanation:

Conditional probability:

P(A | B) = P(A & B) / P(B)

P(striped | red) = P(striped & red) / P(red)

P(striped | red) = 0.05 / 0.25

P(striped | red) = 0.2