Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Probability based on binomial distribution.

Richard has just been given a ten-problem multiple choice test in his history class. Each problem has five answers only one of which is correct. Since Richard has not attended class recently, he does not know any of the answers. Assume that Richard guesses randomly on all ten problems.

a) Find the possibility that he will answer all 10 problems accurately.

b) Find the probability that he will answer 5 or more problems accurately.

c) Find the probability that he will answer none of the problems perfectly.

d) Find the probability that he will answer at least 3 problems right.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919977

Have any Question? 


Related Questions in Statistics and Probability

Thirteen students were randomly selected from the college

Thirteen students were randomly selected from the College of Public Health and their diastolic blood pressure was tested. The sample mean and standard deviation were 80.9 mmHg and 2.1 mmHg respectively. What is the obtai ...

Part a - excel instructions for chi-square tests carrying

Part A - Excel Instructions for Chi-square Tests Carrying out Chi-square (χ 2 ) tests of independence We are considering prisoner behaviour data. There is a prison with six wings each with 100 prisoners. Prisoner behavio ...

A multiple-choice test consists of 7 questions each

A multiple-choice test consists of 7 questions. Each question has answer choices of a, b, c, and d, and only one of the choices is correct. If a student randomly guesses on each question, what is the probability that she ...

Explain how you would conduct the study you designed in

Explain how you would conduct the study you designed in Question as a matched-subjects design. Question:- Design a randomized groups experiment to test the hypothesis that children who watch an hour-long violent televisi ...

Microsoft word - stat Microsoft Word - STAT Assignment 1.

Microsoft Word - STAT Assignment 1. Anationalrepresentativesurveyofstudentsingrades7-12askedaboutthe experience of these students with respect to sexual harassment. The students were asked whether or not they were harass ...

Otto is trying out for the javelin throw to compete in the

Otto is trying out for the javelin throw to compete in the Olympics. The lengths of his javelin throws are normally distributed with a mean of 310 feet and a standard deviation of 13 feet. What is the probability that th ...

In juliuss list of preferences agrippina appears first

In Julius's list of preferences, Agrippina appears first, Messalina appears second, and Cleopatra appears third. Suppose there is a stable matching under which Julius is matched to Agrippina, and that there is a stable m ...

The time spentin days waiting for a heart transplant in two

The time spent(in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. Complete parts(a) and(b) below. μ = 1 ...

1 how do quasi-experimental designs differ from true

1. How do quasi-experimental designs differ from true experiments? 2. Under what circumstances would a researcher use a quasi-experimental rather than an experimental design?

1 your eccentric aunt has left you 50000 in alcan shares

1) Your eccentric aunt has left you $50,000 in Alcan shares plus $100,000 cash. Unfortunately, her will requires that the Alcan stock not be sold for one year and that $60,000 cash must entirely be invested in T-bills wi ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen