To know the opinion of the students about the subject statistics,a survey of $200$ students was conducted. The data is recorded in the following table.
Opinion Number of students Like $135$ Dislike $65$
Find the probability that a student chosen at random:
$(i)$ likes statistics,$(ii)$ does not like it.
| Opinion | Number of students |
| Like | $135$ |
| Dislike | $65$ |
Find the probability that a student chosen at random:
$(i)$ likes statistics,$(ii)$ does not like it.
- A$\frac{27}{40}, \frac{13}{40}$
- B$\frac{29}{50}, \frac{13}{50}$
- C$\frac{27}{80}, \frac{13}{80}$
- D$\frac{27}{95}, \frac{13}{36}$
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Similar Questions
The following frequency distribution table shows the blood groups of $30$ students of a class. Use this table to determine the probability that a student of this class,selected at random,has blood group $AB$.
Blood group Number of students $A$ $9$ $B$ $6$ $AB$ $3$ $O$ $12$ Total $30$
| Blood group | Number of students |
| $A$ | $9$ |
| $B$ | $6$ |
| $AB$ | $3$ |
| $O$ | $12$ |
| Total | $30$ |
Easy
View SolutionThe following frequency distribution table shows the concentration of sulphur dioxide $(SO_2)$ in the air in parts per million $(ppm)$ of a certain city for $30$ days. Using this table,find the probability of the concentration of sulphur dioxide being in the interval $0.12 - 0.16$ on any of these days.
Concentration of $SO_2$ (in $ppm$) Number of days (frequency) $0.00-0.04$ $4$ $0.04-0.08$ $9$ $0.08-0.12$ $9$ $0.12-0.16$ $2$ $0.16-0.20$ $4$ $0.20-0.24$ $2$ Total $30$
| Concentration of $SO_2$ (in $ppm$) | Number of days (frequency) |
| $0.00-0.04$ | $4$ |
| $0.04-0.08$ | $9$ |
| $0.08-0.12$ | $9$ |
| $0.12-0.16$ | $2$ |
| $0.16-0.20$ | $4$ |
| $0.20-0.24$ | $2$ |
| Total | $30$ |
Medium
View SolutionFind the probability that a student of the class was born in August.
Medium
View SolutionNote the frequency of two-wheelers, three-wheelers, and four-wheelers passing by your school gate during a specific time interval. Calculate the probability that any one vehicle chosen from the total vehicles observed is a two-wheeler.
Medium
View SolutionIn a cricket match,a batswoman hits a boundary $6$ times out of $30$ balls she plays. Find the probability that she did not hit a boundary.
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