1. Use the method specified to performthe hypothesis test for the population mea

Question

  1.   Use the method specified to performthe hypothesis test for the population

mean m. WeatherBug say that the mean daily high for December ina large Florida city is F. WFLA weather suspects that thistemperature is not accurate. A hypothesis test is performed thedetermine if the mean is actually lower than F. Assumethat the population standard deviation of s = F. A sample of meandaily temperatures for December over the past 40 years gives F.At a = 0.01, does the data provide sufficient evidence toconclude that the mean temperature is lower than F.

1.    H0:

Ha :

2.    a=

3.    Teststatistics:

4.    P-value orcritical z0 or t0.   

5.    RejectionRegion:

                                

6.   Decision:

7.    Interpretation:

b.    Use the P-valuemethod.

1.    H0:

Ha :

2.    a=

3.    Teststatistics:

4.    P-value orcritical z0 or t0.   

5.    RejectionRegion:

                                

6.   Decision:

      a.    A researchhospital claims that more than 3.7% of the population suffers fromhigh blood pressure. Use p, the represent the populationproportion. (2 points)

Answer:   Claim:

                 H0 :

               Ha :

  b. The highest acceptable level ofpesticide found in quail has been limited to 0.35 parts per million(ppm). A hypothesis test is perform to test if the level of thepesticide is higher. (2 points)

Answer:   Claim:

                 H0 :

               Ha :

               Test :

Explanation / Answer

for this problem you are going to use a Z test not a T test b/c youuse t test when n is less than 30. Which is not the case here b/c nis 40. you set it up as: Ho : µ = 76 Ha : µ < 76 because it is a

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