Homework Help: statistic

Posted by Nickie on Sunday, January 27, 2013 at 2:10am.

A multiple-choice test has 48 questions, each with four
response choices. If a student is simply guessing at the
answers,
a. What is the probability of guessing correctly for
any question?
b. On average, how many questions would a student
get correct for the entire test?
c. What is the probability that a student would get
more than 15 answers correct simply by guessing?
d. What is the probability that a student would get 15
or more answers correct simply by guessing?

No one has answered this question yet.

Answer this Question

Related Questions

Stats - An instructor gives a test with 20 multiple choice questions. There are ...
math - A multiple-choice test has 10 questions. Each question has 5 choices. If ...
math-Probablity - A student is writing a multiple choice test consisting of 40 ...
Maths - Multiple-choice questions in a test are graded by adding 2 marks for ...
Algebra 1 - On a multiple choice test with 10 questions and 5 choices, A,B,C,D,E...
math - Part A of your history test has 15 multiple choice questions. Each ...
math - What is the probability of guessing 70 out of 100 multiple choice ...
college - A test is composed of six multiple choice questions where each ...
satistics - A test is composed of six multiple choice questions where each ...
stat - A test is composed of six multiple choice questions where each question ...

For Further Reading

First Name:
School Subject:
Answer: