Answer:
1
Step-by-step explanation:
Answer:
Probability = 1/5
Step-by-step explanation:
Total ways of arrangement for 10 students = 10 !
Ways to arrange 2 students consecutively & other 8 students = 9 ! x 2
( As 9! to arrange 9 units, as 2 considered together ; & 2 for arranging 2 consecutive students - respectively )
So, Probability = Favourable outcomes / Total outcomes
= ( 2 x 9! ) / 10! = ( 2 x 9 x 8 x ..... 2 x 1 ) / 10 x 9 x ....... 2 x 1)
= 2 / 10 = 1/5
I hope this is a joke but the answer is 3 because 5/8 and 3/8 make 8/8 which equals 1 and 1 plus 2 equals 3
The answer to this question is D
Answer with explanation:
The Meaning of the word Random is , selecting instantaneously from a group of Population for the study.
Suppose you are in a room where mathematics students are studying.You selected few week and few quite intelligent among them for a test to check how whole group of maths student is performing in maths.
So, Selecting participants at random will, on average, lead to samples that are...........
Option B.→ Representative of the population from which they were sampled.
