Answer:
D. 2.7
Step-by-step explanation:
Given
Required
Estimate the standard deviation
Since, the given data has incomplete parameters, we can apply the range rule to estimate the standard deviation;
This is done as follows;
In this case:
So:
<em>From the list of given option, the closest to 2.375 is 2.7;</em>
<em>Hence, the best estimate is 2.7</em>
Answer:
7/12
Step-by-step explanation:
fraction of field is planted potatoes = 1 - sum of fraction of farm planted with maize and beans
sum of fraction of farm planted with maize and beans =
1 - 5/12 = 7/12
Answer:
This skill will come in handy when working with word problems or real life situations.
Step-by-step explanation:
81 degrees
1 degree = 2 pi / 360
81 degrees = 162 pi / 360
=9 pi / 20
L (arc) = radius x angle
= 10 x 9 pi / 20
90 pi /20
9/2 pi : D
The answer is D