Listed below are the lead concentrations in muμ​g/g measured in different traditional medicines. Use a XXXXXXXXXX significance level to test the claim that the mean lead concentration for all such...



Listed below are the lead concentrations in
muμ​g/g

measured in different traditional medicines. Use a
0.010.01

significance level to test the claim that the mean lead concentration for all such medicines is less than
1717

muμ​g/g.

Assume that the lead concentrations in traditional medicines are normally distributed.



1010

13.513.5

16.516.5

19.519.5

2121

13.513.5

3.53.5

22.522.5

1313

3.53.5



What are the null and alternative​ hypotheses?






A.



Upper H 0H0​:

muμequals=1717

muμ​g/g



Upper H 1H1​:

muμless than<>

muμ​g/g







B.



Upper H 0H0​:

muμequals=1717

muμ​g/g



Upper H 1H1​:

muμgreater than>1717

muμ​g/g







C.



Upper H 0H0​:

muμequals=1717

muμ​g/g



Upper H 1H1​:

muμnot equals≠1717

muμ​g/g







D.



Upper H 0H0​:

muμgreater than>1717

muμ​g/g



Upper H 1H1​:

muμless than<>

muμ​g/g





Determine the test statistic.




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

Determine the​ P-value.




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

State the final conclusion that addresses the original claim.







Upper H 0H0.

There is




evidence to conclude that the mean lead concentration for all such medicines is




1717

muμ​g/g




Jun 10, 2022
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