# 1.H 0 : p 0.80 2. H 0 : p = 0.80 H A : p > 0.80 3. H 0 : p > 0.80 H A : p = 0.80 4. H 0 : p = 0.80 H A : p < 0.80 5. H 0 : p = 0.80 H A : p > 0.80 6.H.

## Presentation on theme: "1.H 0 : p 0.80 2. H 0 : p = 0.80 H A : p > 0.80 3. H 0 : p > 0.80 H A : p = 0.80 4. H 0 : p = 0.80 H A : p < 0.80 5. H 0 : p = 0.80 H A : p > 0.80 6.H."— Presentation transcript:

1.H 0 : p 0.80 2. H 0 : p = 0.80 H A : p > 0.80 3. H 0 : p > 0.80 H A : p = 0.80 4. H 0 : p = 0.80 H A : p < 0.80 5. H 0 : p = 0.80 H A : p > 0.80 6.H 0 : p 0.80 A statistics professor wants to see if more than 80% of her students enjoyed taking her class. At the end of the term, she takes a random sample of students from her large class and asks, in an anonymous survey, if the students enjoyed taking her class. Which set of hypotheses should she test? Countdown 10

After collecting data from her class, the statistics professor calculates a z statistic of 2.69 for the hypothesis test H 0 : p = 0.80 H A : p > 0.80. Which of the following is true? 1.The P-value is.9964 and conclude that more than 80% of the students enjoyed her class. 2. The P-value is.0036 and conclude that more than 80% of the students enjoyed her class. 3. The P-value is.9964 and conclude that less than 80% of the students enjoyed her class. 4. The P-value is.0036 and conclude that less than 80% of the students enjoyed her class. Countdown 10

Determine the test statistic z 0 for the following situation: H 0 : p = 0.23 versus H A : p ≠ 0.23; n = 200; x = 52 1.z = 0.97 2. z = 1.01 3. z = 0.51 4. z = –1.01 Countdown 10

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