Thursday
April 24, 2014

Homework Help: Statistics

Posted by Daniel on Thursday, March 7, 2013 at 10:10am.

A quiz consists of 10 questions. Each question is marked either “right” or “wrong.” For each student in the class, the instructor keeps a record of the number of right answers the student got. In the class, the average number of right answers is 6.2 and the SD of the number of right answers is 1.4.

(1) Find the average number of wrong answers.

(2) Find the SD of the number of wrong answers.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math 150 - an online quiz is made of 10 multiple choice questions. each question...
statistics - a quiz consists of 30 true or false questions. if the student ...
Probability/Statistics - A quiz consists of 10 multiple-choice questions, each ...
Finite Math - A biology quiz consists of 10 multiple -choice questions. 7 must ...
Statistics - A quiz consists of 10 multiple choice questions. Each question is ...
Statistics - In the quiz in Exercises 1 and 2, the grading scheme is as follows...
statistics - The following are all quiz scores of a student in a statistics ...
Binomial Distribution - A biology quiz consists of twelve multiple-choice ...
LBCC - A multiple choice quiz consists of 20 questions, each with 3 possible ...
stat probability - A multiple choice quiz consists of 20 questions, each with 3 ...

Search
Members