Life time hrs f cf 700 - 800 8 8 800 - 900 8+x lule 900 - 1000 30 38+x 1000 - 1100 14 52+x 62+x 1100 - 1200 10 1200 – 1300 у 62+x+y 1300 – 1400 4 66+x+y The value of x and y in the above frequency table when it is given that sum of all frequencies is 80 a. X=8y =6 b. x=7, y = 5 c. X=8, y = 7 dx=6, y=6
Answers
Answered by
1
Answer:
Correct option is
A
69
So comparing with
b
a
, we get (a+b)=69
Answered by
0
If you are younger than me than mark me as brainliest, and if you are older than me then thank my answer
Similar questions