Answer:
x=6, y=2
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Variance can be said to be a measure of dispersion for a random sample.
Variance = pq/n
When given the variance, we can find the standard deviation.
Standard deviation = √variance
= √pq/n
<h3>The answer is option A.</h3>
Step-by-step explanation:
Can be written as
Which is the same as
But
So we have
5(1) = 5
Hope this helps you
Step-by-step explanation:
If the library surveyed 240 people and only 15% chose documentaries, then only 36 people chose documentaries and the other 204 chose something else other than documentaries. You had to get 15% into decimal form and to do that you move the "." in 15.0% left 2 places so you get 0.15. Then you multiply 240 by 0.15 and you get 36.
Answer:
1.75 = 5n
Step-by-step explanation:
hope this helps
