Answer:
(a) =210
(b) = 0.11
Step-by-step explanation:
Sampling distribution of the mean = 50 × 6 × 0.7= 210
Now to get the null divide 0.7 by 6
This gives 0.11
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Answer:
14 trees is less than 640 inches
The answer is 12>x>-7
Step-by-step explanation:
it's first divided into 2 parts
1 . 15 > 2x - 9
2. 2x - 9 > -23
Then solve them individually.
let's do it,
<u>First half</u>
15 > 2x - 9
15+9 > 2x
24 > 2x
24/2 > x
12>x
<u>Second half</u>
2x-9>-23
2x>-23+9
2x>-14
x>-14/2
x>-7
<u>Joining of the two halves</u>
We have :
12>x>-7
Answer:
c
Step-by-step explanation:
