Section 7.1 : Introduction to HypothesisTesting 1. State the claim mathematicall

Question

Section 7.1 : Introduction to HypothesisTesting

1.     State the claim mathematically. Thenwrite the null and alternative hypothesis. Determine whether thehypothesis test is left-tailed, right-tailed, ortwo-tailed.

a.    A research hospital claims that more than3.7% of the population suffers from high blood pressure. Use p, therepresent the population proportion.

Answer:   Claim:

                 H0 :

               Ha :

                    Test :

b.    The highest acceptable level of pesticidefound in quail has been limited to 0.35 parts per million (ppm). Ahypothesis test is perform to test if the level of the pesticide ishigher.

Answer:   Claim:

                 H0 :

               Ha :

               Test :

Explanation / Answer

Null hypothesis, Ho: p < 0.37

Alternate hypothesis, Ha: p > 0.037

Test: This is a right tail test

2. Claim: The level of pesiticide is higher than the acceptedvalue (0.35 ppm)

Null hypothesis, Ho: p < 0.35

Alternate hypothesis, Ha: p > 0.35

Test: this is a right tail test

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