Odds 8 to 5 against a person who is 40 years old living till he is 70 years and 4 to 3 against another person now 50 years till he will be living 80 years. Probability that one of them will be alive next 30 years
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Probability [Person 
will die in 30 years] 
Similarly, 
There are two ways in which one person is alive after
30 years. 
and 
and event are independent.
So, required probability
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Given below are two statements one is labelled as Assertion
NUMERIC RESPONSE
The standard electrode potential for the following reaction is . The potential at…
The solubility of in water at is . The of at is
A mixture of and contains 30.40 mass % of nitrogen. The mass ratio of the two components in the m…
The formula of a gaseous hydrocarbon, which requires 6 times of its own volume of for complete oxi…
1.0 of monoatomic ideal gas is expanded from state 1 to state 2 as shown in the figure. The magnit…