Question

(i) The mean of 4, 9, 10 and x is 8. Find x.
(ii) The mean of p, 6, 7, 10 and 12 is 7. Find p.​

Answer 1

Answer:

I 9is the answer

p is the zero i

Answer 2

Answer:

1. no. of observation=4, mean = 8

therefore, mean=sum of observation/no.of observation

so,4+9+10+X=4=8

23+X=8*4

X=32-23

X=9

2. 7=(p+6+7+10+12)/5

35=35+p

35-35=p

p= 0

Step-by-step explanation:

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