Home
Class 9
MATHS
Distance (in km) of 40 engineers from th...

Distance (in km) of 40 engineers from their place of residence to their place of work were found as follows.

What is the empirical probability that an engineer lives.
less than 7 km from her place of work ?

Text Solution

Verified by Experts

The correct Answer is:
`(i) 9/(40)`
(ii) `(31)/(40)`
(iii) 0
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    CPC CAMBRIDGE PUBLICATION|Exercise EXERCISE 14.5|16 Videos

  • QUADRILATERALS

    CPC CAMBRIDGE PUBLICATION|Exercise EXERCISE 7.2|7 Videos

Similar Questions

Explore conceptually related problems

Distance (in km) of 40 engineers from their place of residence to their place of work were found as follows. What is the empirical probability that an engineer lives. within 1/2 km from her place of work ?

Distance (in km) of 40 engineers from their place of residence to their place of work were found as follows. What is the empirical probability that an engineer lives. more than or equal to 7 km from her place of work ?

The distance (in km) of 40 engineers from their residence to their place of work were found as follows : {:(5,3,10,20,25,11,13,7,12,31),(19,10,12,17,18,11,32,17,16,2),(7,9,7,8,3,5,12,15,18,3),(12,14,2,9,6,15,15,7,6,12):} Construct a grouped frequency distribution table with class size for the data given above taking the first interval as 0-5 (5 not included). What main features do you observe from this tabular representation ?

A person cannot see the object distinctly, when placed at a distance less than 100 cm. What is the power of the spectacles that he should use to see clearly the objects placed at 25 cm ?

Two electrically charged particles , having charges of different magnitudes , when placed at a distance 'd' from each other , experience a force of attraction 'F' . These two particles are put in contact and again placed at the same distance from each other. What is the nature of new force between them ?

From the pair of linear equations for the following problems and find their solutions by substitution method. The taxi charges in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 10km the charge paid is Rs 105 and for a journey of 15km, the charge paid is Rs 155. What are the fixed charge and the charge per km? How much does a person have to pay for travelling a distance of 25km.