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svetoff [14.1K]
3 years ago
10

The graph to the right is the uniform density function for a friend whoThe graph to the right is the uniform density function fo

r a friend who is x minutes late. Find the probability that the friend is at least 21 minutes late. is x minutes late. Find the probability that the friend is at least 21 minutes late.

Mathematics
1 answer:
Pani-rosa [81]3 years ago
3 0

Answer:

0.30

Step-by-step explanation:

Data provided in the question

Uniform density function for a friend = x minutes late

The Friend is at least 21 minutes late

Based on the above information, the probability that the friend is at least 21 minutes late is

= \frac{Total\ minutes - minimum\ minutes}{Total\ minutes}

= \frac{30 - 21}{30}

= 0.30

Based on the above formula we can easily find out the probability for the friend who is at least 21 minutes late

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