A quick quiz consists of a true/false question followed by a multiple-choice question with four possible answers

Question:

A quick quiz consists of a true/false question followed by a multiple-choice question with four possible answers (a, b, c, d). An unprepared student makes random guesses for both answers.

a. Consider the event of being correct with the first guess and the event of being correct with the second guess. Are those two events independent?

b. What is the probability that both answers are correct?

c. Based on the results, does guessing appear to be a good strategy?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

Elementary Statistics

ISBN: 9780321500243

11th Edition

Authors: Mario F. Triola

See More Books

Question Posted: Feb 24, 2020 07:08 AM

A true/false test has 40 questions. A passing grade is 60% or more correct answers. a. What is the probability that a person will guess correctly on one true/false question? b. What is the...
A test has multiple choice questions, with four choices of answers from which to choose. After reading the first four questions, you realize you have no idea what any of the correct answers are....
Simone has a quiz in class today. The quiz will consist of 10 multiple-choice questions, each with four possible answers. Simone has not had time to review the material or to do the practice...
Write a program RecoverSignal that will read the binary file written by StoreSignal, as described in the previous exercise. Display the integer values that the data represents on the screen.
Dial-up modems, HFC, DSL and FITH are all used for residential access. For each of these access technologies, provide a range of transmission rates and comment on whether the transmission rate is...
Several application development projects done for the same functional group might best be managed as part of a_______. a. portfolio b. program c. investment d. collaborative
The Foreign Corrupt Practices act can levy fines of more than five hundred million against companies our size that do not eliminate corruption in their operations abroad. Can you understand why the...
Antuan Company set the following standard costs for one unit of its product. Direct materials (6 Ibs. @ $ 5 per Ib.) . . . . . . . . . $ 30 Direct labor (2 hrs. @ $ 17 per hr.) . . . . . . . . . . 34...
5. [10] Alice and Bob play a game on a graph G, alternately choosing distinct vertices. Alice starts by choosing any vertex. Each subsequent choice must be adjacent to the preceding choice (of the...
In the Chapter 3 Data Analytics Case, you applied Tableau to examine a data set and create calculations to compare two companies profitability. For the case in this chapter, you continue in your role...
Refer to Table 4-1. Find P(subject lied negative test result). Compare this result to the result found in Exercise 20. Are P(subject lied negative test result) and P(negative test result | subject...
If S denotes the event of selecting a successful challenge, find P(S). Use the data in the accompanying table, which summarizes challenges by tennis players (based on data reported in USA Today). The...
Carbotest Corporation manufactures equipment to test for the presence of carbon monoxide in confined spaces. It has just been offered a contract to build some specialized monitoring equipment to test...
Identify different public charges.
What is the difference between effectiveness and efficiency related to each other?
Why are administrative prices useful?
Why is it important to operationalize?
What are the public tasks of administrations based upon?
"Mode-mixity" refers to how much of crack propagation is attributable to the three conventional fracture modes of opening, sliding, and tearing. For plane problems, only the first two modes are...
Explain the Hawthorne effect.
Two different sections of a statistics class take the same surprise quiz and the scores are recorded below. Find the range and standard deviation for each section. What do the range values lead you...
a. The coefficient of variation, expressed as a percent, is used to describe the standard deviation relative to the mean. It allows us to compare variability of data sets with different measurement...
In Section 2-4 we introduced the general concept of skewness. Skewness can be measured by Pearson's index of skewness: If / > 1.00 or / 1Rmedian)
Research and discuss financial transactions using a governmental accounting article related to the weekly reading or in a recent publication and prepare a PowerPoint presentation. This presentation...
Identify and elucidate two key business risks that may influence the audit of MCL.
What does the acronym HIPAA stand for? define it.

A quick quiz consists of a true/false question followed by a multiple-choice question with four possible answers

Question:

Step by Step Answer:

a Yes because the event of being correct with the second guess does not depends the ...View the full answer

Elementary Statistics

Students also viewed these Mathematics questions