A student takes a multiple-choice test with 8 questions on it, each of which has 4 choices. The student randomly guesses an answ
er to each question.
What is the probability that the student gets at least 1 question correct?
Round to 3 decimal places.
What is the probability that the student gets at least 1 question correct?
Round to 3 decimal places.
1 answer:
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Answer:
The total nuber of hours that the battery can be used over its lifetime is 600.
Step-by-step explanation:
We use an infinite geometric series to solve this question.
The sum of all values of an infinite geometric series is given by the following equation:
In which is the first term and r is the common ratio.
After each charging, a battery is able to hold only 97% of the charge from the previous charging.
This means that
The battery was used for 18 hours on its first charge before it had to be recharged.
This means that
What is the total number of hours the battery can be used over its lifetime?
The total nuber of hours that the battery can be used over its lifetime is 600.