O = x, h=15 angle = 23
sin 23 = o/h
sin 23 x 15 = x
x=5.9 --> C
Answer:
Square root of the variance of the "number of daily parking tickets"
Step-by-step explanation:
The Standard Deviation is a measure of how spread out numbers are.
Its symbol is σ (the Greek letter sigma)
The formula is easy: it is the square root of the Variance.
Answer:
Mininum value of K is 220
Step-by-step explanation:
400 people has a "yes" answer for the first question and 220 people has a "yes" answer for the second question
There is a possibility that 220 out of the 400 people that has a "yes" answer for the first question also has a "yes" for the second question
Therefore, the minimum number of people that has two "yes" answer (K) is 220
Answer:

Step-by-step explanation:
Given:


Substitution can be used to find the value of
:




Hope this helps :)
Answer:
X = 6
y = 4
Step-by-step explanation: