Here is an extract from a mortality table.
Age (in years) Number of persons surviving out of a sample of one million
$60$ $16090$
$61$ $11490$
$62$ $8012$
$63$ $5448$
$64$ $3607$
$65$ $2320$

What is the probability that a person aged $61$ will live for $4$ years?

  • A
    $\frac{232}{1100}$
  • B
    $\frac{2320}{1149}$
  • C
    $\frac{232}{11490}$
  • D
    $\frac{232}{1149}$

Explore More

Similar Questions

Bulbs are packed in cartons,each containing $40$ bulbs. Seven hundred cartons were examined for defective bulbs,and the results are given in the following table:
Number of defective bulbs $0$ $1$ $2$ $3$ $4$ $5$ $6$ more than $6$
Frequency $400$ $180$ $48$ $41$ $18$ $8$ $3$ $2$

One carton was selected at random. What is the probability that it has less than $4$ defective bulbs?

$A$ coin is tossed $50$ times,in which $23$ times head comes up and $27$ times tail comes up. Calculate the probability for each event.

$80$ bulbs are selected at random from a lot and their lifetime (in $hrs$) is recorded in the form of a frequency table given below:
Lifetime (in hours) $300$ $500$ $700$ $900$ $1100$
Frequency $10$ $12$ $23$ $25$ $10$

The probability that a bulb selected randomly from the lot has a lifetime less than $900$ hours is:

When a balanced die is thrown,find the probability of getting an odd number.

The probability of a certain event is ........

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo