2 people can plough a field in 6 hours. A) how long will it take 1 person to plough the field. B) how long will it take 3 people
2 answers:
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Answer:
0.08065
Step-by-step explanation:
Given that in a recent study,1 2006 randomly selected US adults (age 18 or older) were asked to give the number of people in the last six months with whom you discussed matters that are important to you.
If X is random variable then X has mean 2.2 and s = 1.4
n=2006
Std error of mean =
For 99% since sample size is large, t and z distn almost coincide.
Hence we can take 2.58 as critical value
Margin of error at 99% =
<u>Answer-</u>
The value of x was found to be 7.
<u>Solution-</u>
In the given trapezium, the parallel sides are NO, MP and QR is the median.
From the geometric properties of trapezium, we know that,
The median line is always parallel to the bases and its length is the average length of the bases.
Therefore, the value of x is 7.