Question

Find the indicated probability. A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly? Select one: A. 0.236 B. 0.283 C. 0.00800 D. 0.764

Name: find the indicated probability a multiple choice test has 12 questions each of which has 5 possible answers only one of which is correct if judy who forgot to study for the test guesses on a 98514
Uploaded: 2024-07-04T07:17:41-08:00
Duration: 2 min 49 s
Channel: Adi S
Description: find the indicated probability a multiple choice test has 12 questions each of which has 5 possible answers only one of which is correct if judy who forgot to study for the test guesses on a 98514

          Find the indicated probability.

A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly?

Select one:
A. 0.236
B. 0.283
C. 0.00800
D. 0.764

find the indicated probability a multiple choice test has 12 questions each of which has 5 possible answers only one of which is correct if judy who forgot to study for the test guesses on a 98514

Added by Jeremiah C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

07/04/2024

Step 1

The parameters for a binomial distribution are: n = number of trials (number of questions) k = number of successful trials (number of correct answers) p = probability of success on a single trial (probability of answering a question correctly) q = probability of Show more…

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Find the indicated probability. A multiple choice test has 12 questions each of which has 5 possible answers, only one of which is correct. If Judy, who forgot to study for the test, guesses on all questions, what is the probability that she will answer exactly 3 questions correctly? Select one: A. 0.236 B. 0.283 C. 0.00800 D. 0.764