The following table contains the number of successes and failures for three categories of a variable. Test whether the proportions are equal for each category at the α=0.1 level of significance....




The following table contains the number of successes and failures for three categories of a variable. Test whether the proportions are equal for each category at the
α=0.1

level of significance.




























Category 1


Category 2


Category 3




Failures


32


51


57


Successes


39


54


73







State the hypotheses. Choose the correct answer below.







A.



H0​:

The
categories of the variable

and
success and failure

are independent.


H1​:

The
categories of the variable

and
success and failure

are dependent.






B.



H0​:

The
categories of the variable

and
success and failure

are dependent.


H1​:

The
categories of the variable

and
success and failure

are independent.






C.



H0​:

p1=p2=p3



H1​:

At least one of the proportions is different from the others.






D.



H0​:

μ1=E1

and
μ2=E2

and
μ3=E3



H1​:

At least one mean is different from what is expected.





What is the​ P-value?



nothing

​(Round to three decimal places as​ needed.)

What conclusion can be​ made?







A.


The​ P-value is
greater than or equal to

α​,

so
reject

H0.

There is
sufficient

evidence that the
categories of the variable

and
success and failure

are dependent.






B.


The​ P-value is
less than

α​,

so
do not reject

H0.

There is
sufficient

evidence that the proportions are different from each other.






C.


The​ P-value is
less than

α​,

so
reject

H0.

There is
not sufficient

evidence that the
categories of the variable

and
success and failure

are dependent.






D.


The​ P-value is
greater than or equal to

α​,

so
do not reject

H0.

There is
not sufficient

evidence that the proportions are different from each other.






Jun 06, 2022
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