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
I think question 2 is 3 millimeters
Because diameter = 2r (R = radius)
Only a guess but 69.5 7
9
Yes they are congruent because they have the same size angle and have the same parallel sides
Answer:27 divided by 3 to get 9 or add 3 repetitively to get 27 or 3x=27
Step-by-step explanation: