A shelf holds 12 books in a row. How many ways are there to choose five books so that no two adjacent books are chosen
1 answer:
Answer:
<u>792 ways</u>
Step-by-step explanation:
We can solve this using the combination formular
where n represents the total number of objects/items, and r represents the number of items being chosen at a time.
Hence, in this case, n = 12, r = 5, which is = = 792.
Therefore, there are 792 ways to choose five books so that no two adjacent books are chosen.
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Answer:
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Step-by-step explanation:
Given the survey, the prevalence of the flu, as a percentage, is given by:
Number of individuals diagnosed with flu, multiplied by 100, and divided by the size of the sample.
In this question, we have that:
Sample of 25,000, and 4,250 of those had been diagnosed with the flu at some point in the past year. So, the prevalence of the flu is given by:
The prevalence of flu for the past year, as indicated from the survey participants, was of 17%.
Answer:
Exact form is
the decimal form is 5
Step-by-step explanation: