Question
A book has pages numbered from 1 to 85. What is the probability that the sum of the digits on the page is 8, if a page is chosen at random?
Answer: Option C
:
C
Total number of pages in the book = 85
Favorable outcomes are:8, 17, 26, 35, 44, 53, 62, 71, 80.
∴ No. of favorable outcomes = 9
Let E be the event of gettingsum of the digits on the page is 8.
Probability P(E) = Number of outcomes favorable to ENumber of all possible outcomes of the experiment=985
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:
C
Total number of pages in the book = 85
Favorable outcomes are:8, 17, 26, 35, 44, 53, 62, 71, 80.
∴ No. of favorable outcomes = 9
Let E be the event of gettingsum of the digits on the page is 8.
Probability P(E) = Number of outcomes favorable to ENumber of all possible outcomes of the experiment=985
Was this answer helpful ?
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