Exam+2+stats+extra+creditt

Exam+2+stats+extra+creditt - PSY B 305 Exam 2 Page 1 NAME...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
PSY B 305 Exam 2 Page 1 NAME:__________________________________________________________ True/False Indicate whether the statement is true or false. ____ 1. A random sample results when each possible sample of a given size has an equal chance of being selected. ____ 2. If an event is certain to occur, its probability of occurrence equals 1.00. ____ 3. If P >Q, the binomial distribution will be symmetrical. ____ 4. If P = 0.30 and Q = 0.67, the binomial distribution does not apply. ____ 5. If H 0 is false, and we retain it, we have made a Type II error. ____ 6. If alpha is made more stringent, beta increases. ____ 7. The sampling distribution of the mean is always normally distributed. ____ 8. The critical region for rejection of H 0 is the area under the curve that contains all the values of the statistic that allow the rejection of H 0 . Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 9. If A and B are mutually exclusive and exhaustive, then p ( A and B ) = ____. a. 1 b. 0 c. p ( A ) + p ( B ) d. p ( A ) + p ( B ) - p ( A and B ) ____ 10. A famous hypnotist performs in Meany Hall before a crowd of 350 students and 180 non-students. The hypnotist knows from previous experience that one-half of the students and two-thirds of the non-students are hypnotizable. What is the probability that a randomly chosen person from the audience will be hypnotizable or will be a non-student? ____
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern