Answer:
sin X
Step-by-step explanation:
sin X =
=
= 
Considering the situation described, the hypothesis tested are given as follows:
- The null hypothesis is

- The alternative hypothesis is

<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if the standard deviation is not less than $23, that is:

At the alternative hypothesis, it is tested if there is significant evidence t conclude that the standard deviation is less than $23, that is:

More can be learned about an hypothesis test at brainly.com/question/26454209
Answer:
63 % for cats and 37 % for dogs
Step-by-step explanation:
Hi!
Put in the values for x and y.
(3 · 3 - 12)-(12 · 3 · 6 - 10)
Solve
(9 - 12)-(216 - 10)
-3 - 206
-209
The answer is -209
Hope this helps! :)