I tried to include some explanations as well. Hopefully this helps.
Answer:
9
Step-by-step explanation:
Divide 135 by 15.
Answer:
p-value: 1.000
There is enough evidence at the 1% level of significance to suggest that the proportions are not equal.
Step-by-step explanation:
We will be conducting a difference of 2 proportions hypothesis test
The hypothesis for this test is:
H_0: p1 - p2=0
H_a: p1 - p2 ≠0
(p1 ) = 252/300 = 0.84
(p2) = 195/300 = 0.65
This is a 2 tailed test with a significance level of 1%. So our critical values are: z > 2.575 and z < -2.575
See the attached photo for the calculations for this test
Answer: 1. True 2. True 3. False. Number 4 True
Step-by-step explanation: PLS GIVE ME BRAINIEST
I ain't gonna explain how I got to this cuz I'm quite tired rn but trust me the answer is 2c²