Pls help me with this friends
2 answers:
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This is my work hope this helps.
Answer:
Step-by-step explanation:
The domain is the span of x-values covered by the graph.
From the graph, we can see that the x-values covered by the graph is all values to the left of zero including zero.
Therefore, the domain is all x-values less than or equal to 0:
Further notes:
In interval notation, this is:
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