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:
f
−
1
(
x
)
=
√
2
(
x
+
8
)
/2
,
−
√
2
(
x
+
8
)
/2
keep it under whole root
Step-by-step explanation:
The answer is 0.9 if z is in the numerator and if it is in the denominator it is 1/9
Answer:
-9
Step-by-step explanation:
do distributive property first to eliminate the parenthesis.
5h + 22 - 2h = -5
combine like terms
3h + 22 = -5
move the 22 over by subtraction
3h = -27
divide
h = -9