15 fewer than d dogs
1 answer:
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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(x) =
Step-by-step explanation:
The given options are,
a) f(x) =
b) f(x) =
c) f(x) =
d) f(x) =
Now, clearly a) is a monotonically increasing function, hence discarded, and both of c) and d) don't pass through (0, 1) hence they are also discarded.
Only b) is a decay function which does also pass through (0, 1), hence, b) is the correct option.