Answer:
10 spiders and 12 ants
Step-by-step explanation:
You need to create two equations
s = # of spiders
a = # of ants
s + a = 22 heads
since each spider and ant has one head
8s + 6a = 152 legs
since every spider has 8 legs and every ant has 6
s + a = 22 can be turned into s = 22 - a
now use substitution
8(22 - a) + 6a = 152
176 - 8a + 6a = 152
176 - 2a = 152
24 = 2a
a = 12
now that you have the number of ants you can solve for the number of spiders
s + a = 22
s + 12 = 22
s = 10
Answer:
Null hypothesis: ![\mu \leq 4.5](https://tex.z-dn.net/?f=%5Cmu%20%5Cleq%204.5)
Alternative hypothesis: ![\mu >4.5](https://tex.z-dn.net/?f=%5Cmu%20%3E4.5)
Step-by-step explanation:
A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".
The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".
The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".
On this case the claim that we are trying to proof is "A movie streaming company only holds on to a movie in its offering if the movie has had a 4.5 rating or above". So that needs to be on the alternative hypothesis. And the complement should be the null hypothesis.
Null hypothesis: ![\mu \leq 4.5](https://tex.z-dn.net/?f=%5Cmu%20%5Cleq%204.5)
Alternative hypothesis: ![\mu >4.5](https://tex.z-dn.net/?f=%5Cmu%20%3E4.5)
We have another into to complete the test for example:
represent the sample size selected
The value that we want to test
represent the significance level
Confidence =95% or 0.95
(2,17) and (-1,-4)
I already learned this so I think this is the answer
Answer:
17
Step-by-step explanation:
<u>h(17) is falling under the top condition of:</u>
<u>So the answer is:</u>
- h(17) = √17*17 = 17
- h(17) = 17
27.6/100 = 0.276
The average amount of rain that fell is 0.276 inches per day.