Probability-the third question is first one you get right

Assignment Help Basic Statistics
Reference no: EM131648610

Question: Multiple choice. A multiple choice test has 50 questions, with 4 answer choices each. You must get at least 30 correct to pass the test, and the questions are very difficult.

a) Are you likely to be able to pass by guessing on every question? Explain.

b) Suppose, after studying for a while, you believe you have raised your chances of getting each question right to 70%. How likely are you to pass now?

c) Assuming you are operating at the 70% level and the instructor arranges questions randomly, what's the probability that the third question is the first one you get right?

Reference no: EM131648610

Questions Cloud

Discuss the stock market performance : Stocks. Since the stock market began in 1872, stock prices have risen in about 73% of the years. Assuming that market performance is independent.
Joint ventures and other types of strategic alliances : What are the basic differences between joint ventures and other types of strategic alliances?
Examine quality management-project management strategies : How can you build a standard to be used in future phases of the quality initiative so that other project managers follow your approach to quality management?
Audience at a new comers orientation : What were some experience you had with a presenter who lost the audience at a new comers orientation?
Probability-the third question is first one you get right : Assuming you are operating at the 70% level and the instructor arranges questions randomly.
Should a company be happy if most customers are satisfied : Do customer relationships begin as transactional and move toward strategic partnerships? Should a company be happy or concerned if most customers are satisfied?
Develop a justification or condemnation : Examine the issue of monitoring Internet usage at work and develop a justification or condemnation for this use of the technology using a rules-based.
Milton friedman positions on social responsibility : Contrast Ralph Nader's and Milton Friedman's positions on social responsibility. With whose view do you agree and why in "200 words" or more?
Assess the statistical reasoning of the advisors : Overall, stocks have risen in value during 95 of the 130 years since the market began in 1872. How is this fact relevant in assessing the statistical reasoning.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Provide a written description of the complement event

(a) Provide a written description of the complement event of (S OR P). (b) What is the probability of complement event of (S OR P)?

  Test with a population mean

On a test with a population mean of 75 and standard deviation equal to 16, if the scores are normally distributed, what percentage of scores fall below a score of 83.8?

  Discussion of statistics concepts

Students in a statistics class at a large state university were given the survey in which one question asked was age (in years); one student was a retired person, and her age was an "outlier".

  Statistics questions

A sample of 160 workers in the downtown area classified each worker by race. A bar graph of the results is given below, but the bar for black workers in the graph below has been omitted.

  State the appropriate null and alternative hypotheses in

a student wants to assess whether her dog muffin tends to chase her blue ball more often than she chases her red

  How many different four- letter secret codes can be formed

You are taking a multiple-choice test that has 9 question. Each of the question has 3 choice with one correct choice per question. If you select one of the option per question and leave nothing blank. In how may ways can you answer the question?

  Probability that jim will be accepted by two universities

The acceptance rate for applicants with similar qualifications is 30% for University X and 55% for University Y. What is the probability that Jim will be accepted by at least one of the two universities?

  What is the conditional probability that a student likes

question tastes in musicmusical styles other than rock and pop are becoming more popular. a survey of college

  The monetary policy committee uses a variety of method

All kinds of organizations are interested in the response to their products, services or indeed policies. They will typically select a survey method that provides results of sufficient quality at an acceptable cost.

  Creation and effects of the cotton gin

Write a short paper on the creation and effects of the Cotton Gin. Everything that is referenced or compared must be before 1875.

  Point estimate of the mean time

a. Give a point estimate of the mean time required to handle a customer complaint. b. What is the standard deviation of the point estimate given in (a)?

  How many are expected to show up

Assume 85% of passengers show up, 15% will not. Airline booked 11 people for 10 seats.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd