49x + 12
i have to type 20 words to submit anyways i’m pretty sure thats the answer
Answer:
-24
Step-by-step explanation:
12(-2)+5(3)-15
-24+15-15
-24+15
-9-15
= -24
The answer will be Mean = 135 Variance = 62 and Standard Deviation = 8
<h3>What is the standard deviation? </h3>
Standard deviation is defined as the amount of variation or the deviation of the numbers from each other.
Given that :
Proportion (p) = 54%
Sample size (n) = 250
Using Normal approximation :
Mean = np
Mean = 250 * 0.54 = 135
Variance = npq ; q = 1 - p = 1 - 0.54 = 0.46
Variance = (250 * 0.54 * 0.46) = 62.1 = 62
Standard deviation = √variance = √62.1
Standard deviation = 7.8803553 = 8
To know more about standard deviation follow
brainly.com/question/475676
#SPJ4
Answer:
The area of the circle is 
Step-by-step explanation:
we know that
The area of the circle is equal to
In this problem we have
----> the radius is half the diameter
substitute
