Ask a New Question

Suppose a multiple choice test has 20 questions with each question having 4 choices, only one of which is correct that is %25. suppose an unprepared student writes the answers, each time randomly picking on the 4 choices. what is the probability that the student will get

A) exactly 4 answers correct
B)All the answers incorrect
C) at least 8 correct
D) what is mean and the standard deviation

Ask a New Question or answer this question.

Similar Questions

Suppose that Nacho takes a multiple choice test. The test has 3 questions. Each question has 3 choices.What is the probability
1. 1 answer
You randomly guess the answers to two questions on a multiple-choice test. Each question has three choices: A, B, and C.a. What
1. 1 answer
A test consists of 12 multiple choice questions with 5 choices for each question. As an experiment, you GUESS on each and every
1. 1 answer
test consists of 10 multiple choice questions with five choices for each question. As an experiment, you GUESS on each and every
1. 2 answers

more similar questions