Answer:
44 answers
Step-by-step explanation:
80% of total questions are answered, ie 80% of 55 questions are answered.
So, (80/100) x 55 , ie 44 questions are answered.
Assuming that all answered questions are correct, 44 answers are correct.
Answer:
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Step-by-step explanation:
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Answer:
P(A) represents the probability that an adult has blue eyes.
represents the probability that an adult does not have blue eyes.
Step-by-step explanation:
Given the event:
A: an adult has blue eyes
The complement of a set is another set that contains all the elements that are not in the original set.
Hence, the event must be:
: an adult does not have blue eyes
So P(A) represents the probability that an adult has blue eyes and represents the probability that an adult does not have blue eyes.