1) In the _____________________, chance behavior has an unpredictable pattern, but in the ___________________, chance behavior has a predictable pattern.

A) short run; long run

B) future; present

C) long run; short run

D) past; present

E) distance; future

2) A random sample of OSU undergraduates is surveyed, and the average age of this sample is found to be 20.5 years.We would call the number 20.5 a(n)

A) statistic.

B) event.

C) margin of error.

D) parameter.

E) standard deviation.

3) Which one of the following statements aboutp-values is correct? Group of answer choices

A) Ap-value is a probability of obtaining results at least as extreme as those obtained if we assume the alternative hypothesis is true.

B) It is possible for ap-value to be negative.

C) If ap-value is found to be 0.15, this means there is a 15% chance the alternative hypothesis is false.

D) The "p" inp-value stands for "probability."

E) Ap-value is a probability that the null hypothesis is true.

4) You have a jar that contains 15 yellow marbles, 12 red marbles, 8 green marbles, and 5 blue marbles.If you randomly select one marble from this jar, what is the probability the marble is red? Group of answer choices

A)0.08

B)0.43

C) 0.25

D) 0.12

E) 0.30

5) A random sample of 400 elementary school teachers is surveyed, and 180 of these teachers say that history is their favorite subject to teach.If you plan to construct a 99% confidence interval based on this data, the margin of error will be equal to approximately what value? Group of answer choices

A)0.064

B) 0.096

C) 0.025

D) 0.248

E) 2.576

6) Which one of the following statements about the correlation coefficient, orr, is correct?Group of answer choices

A)None of the other answer options is a correct statement.

B)If the value ofrturns out to be -2.76, we should conclude that the relationship between the variables is extremely weak.

C)A perfect correlation ofr= 1 means that we should conclude that one variable causes the other.

D)A correlation ofr= 0.87 is stronger than a correlation ofr= -0.87.

E)If the value ofris negative and we construct a regression equation, the slope in the regression equation will be positive.

7)A random sample of Columbus residents is surveyed about a proposal to build a new shopping center in the northern part of the city.A city planning official believes that more than half of all Columbus residents will support this proposal since it will mean many new jobs.If we were to use the resulting data to conduct a hypothesis test, what would the null and alternative hypotheses be? Group of answer choices

A)Ho:p= 0.5, Ha:p> 0.5

B)Ho:p= 0.5, Ha:p< 0.5

C)Ho:p> 0.5, Ha:p= 0.5

D)Ho:p> 0.5, Ha:p< 0.5

E)Ho:p< 0.5, Ha:p> 0.5