Answer:
A
The correct option is B
B

C

D
The correct option is D
Step-by-step explanation:
From the question we are told that
The sample size is 
The number that developed nausea is X = 50
The population proportion is p = 0.20
The null hypothesis is 
The alternative hypothesis is 
Generally the sample proportion is mathematically represented as


Generally the test statistics is mathematically represented as
=> 
=> 
=> 
The p-value obtained from the z-table is

Given that the
then we fail to reject the null hypothesis
Answer:
x = 25
y = 25
Step-by-step explanation:
hope it helps!
Center will be (6,-4) and the radius will be square root of 7
Step-by-step explanation:
you would go through the origin
from 0 Go up 1 And over 1 everytime
hope this helps
B 2,_2 is the answer that i get