In a medical examination of students of a class , the following blood groups are recorded :
From this class , a student is chosen at random . What is the probability that the chosen student has blood group AB ?
1320
38
15
1140
The correct Answer is:C
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- Question 1 - Select One
In a medical examination of students of a class, the following blood groups are recoreded.
A student is selected at random from the class. The probability that he/she has blod group B, isA14B1340C310D18 - Question 1 - Select One
The following table shows the blood groups of 40 students of a class.
One student of the class is chosen at random . What is the probability that the chosen student has blood group (i) O ? (ii) AB ?A(i) 0.35 (ii) 0.35B(i) 0.35 (ii) 0.15C(i) 0.15 (ii) 0.15D(i) 0.35 (ii) 0.35 - Question 1 - Select One
The marks obtained by 90 students of a school in mathematics out of 100 are given as under :
From these students , a student is chosen at random .
What is the probability that the chosen student
(i) gets 20% or less marks ? (ii) gets 60% or more marks ?A(i)790(ii)790B(i)1990(ii)1990C(i)1990(ii)790D(i)790(ii)1990 - Question 1 - Select One
The table given below shows the months of birth of 36 students of a class :
A student is chosen at random from the class . What is the probability that the chosen student was born in October ?A13B23C14D112
Similar Questions
The following table shows the blood groups of 60 students of a class :
∣∣∣Blood groups A B O ABNumber of students 16 12 23 9∣∣∣
One student of the class is chosen at random. What is the probability that the chosen student has blood group?
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View SolutionMarks obtained by 90 students of class IX in a test are given below:
Out of these students, one is chosen at random. Find the probability that the chosen student obtains
less than 20% marksView SolutionMarks obtained by 90 students of class IX in a test are given below:
Out of these students, one is chosen at random. Find the probability that the chosen student obtains more than 80% marksView SolutionMarks obtained by 90 students of class IX in a test are given below:
Out of these students, one is chosen at random. Find the probability that the chosen student obtains more than 60 %marksView Solution