Math, asked by ayaatshaikh, 1 year ago

I need the answer for Q.8. Someone pls help.

Attachments:

Answers

Answered by adeshrajputtirwa

1

Answer:

Step-by-step explanation:

Sigma f=22+p

Sigma fx=30+40+75+20p+175

=20p+320

Mean= fx/f

15=(20p+320)/22+p

15(22+p)=20p+320

320+15p=20p+320

20p-15p=320-320

5p=0

p=0

Previous Question

Next Question

Similar questions

English, 6 months ago

A boy was waiting for the bus on the bus stop. He saw an old man who was just crossing the road. Suddenly a car was coming towards him from the opposite side. Then he rushed to ...OR Complete the story and supply a suitable title and moral to it. Mr. Vijay was a wealthy businessman. One day he was alone sitting at his dining table when...

Science, 6 months ago

ion ? which of the following is an example of polyatomic . ce SO (ui) o (نن) ca 2+...

Math, 6 months ago

a circular frame is formed of a wire having circumference 48 cm.this frame is bent to form regular star shape with a number of pointed vertices if angle of each vertex is 60 what will be the length of one edge of the star ...

Political Science, 1 year ago

what was india's role in nam during cold war?

Math, 1 year ago

Please help for 11,12,15th question...

Hindi, 1 year ago

विज्ञापन on जल संरक्षण...

Science, 1 year ago

) Make a chart showing various food component and proper weekly balance diet chart.

Chemistry, 1 year ago

To make a saturated solution 36g of sodium chloride is dissolved in 100g of water at 293k find its concentrations at this temperature .