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octaviangh14
20.01.2021 •
Mathematics
Rashid drives his car along a road passing through two sets of traffic lights.
The tree diagram shows the probabilities of the lights being red when he reaches them.
First set
Second set
0.3
Red
0.6
Red
0.7
Not red
0.8
Red
0.4
Not red
0.2
Not red
Work out the probability that at least one set is not red.
Solved
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Ответ:
D.
The IQR for Week 1 is 31, and the IQR for Week 2 is 25.
Step-by-step explanation: