Find probability to answer all ten questions incorrectly

Assignment Help Basic Statistics
Reference no: EM13153871

A student has just been given a 10-question multiple choice quiz in his history class. Each question has five choices of which only one of those choices is correct. Since he has not attended class recently, he doesn't know any of the answers. Assuming that he guesses on all 10 questions, find the following:

a) What is the probability that he will answer all ten questions incorrectly?
b) What is the probability that he will answer at least one of the questions incorrectly?
c) What is the probability that the first question answered correctly is the second question he answers?

Reference no: EM13153871

Questions Cloud

A workshop has 6 machines : A workshop has 6 machines that can perform any job assigned to them. The workshop has 10 jobs that it needs to complete over two days. Jobs 1 to 5 must be finished on the first day and jobs 6 to 10 must be finished on the second day
Find the net amount to be paid the employee : hours worked, 46; federal income tax withheld, $354; cumulative earnings for year prior to current week, $95,735; social security tax rate, 6.0% on maximum of $111,091; and Medicare tax rate, 1.5% on all earnings. What is the net amount to be paid..
Calculate ksp for mg(oh)2 : Magnesium Hydroxide is a slightly soluble substance. If the pH of a saturated solution of Mg(OH)2 is 10.49 at 25 degrees celcius, calculate Ksp for Mg(OH)2.
What will happen in the market for personal computers : what will happen in the market for personal computers? How will the equilibrium price and equilibrium quantity of personal computers change?
Find probability to answer all ten questions incorrectly : Since he has not attended class recently, he doesn't know any of the answers. Assuming that he guesses on all 10 questions, find the following: What is the probability that he will answer all ten questions incorrectly?
What were the total dividends paid to shareholders : its balance related earnings sheet showed $780 million of retained earnings. What were the total dividends paid to shareholders during the most recent year?
Budgeted amount of raw materials : The budgeted amount of raw materials to be purchased is determined by:  adding the desired ending inventory of raw materials to the raw materials needed to meet the production schedule.
What is the time taken to produce aluminium : Extracting aluminium uses a current of 25000 ampere.What is the time taken to produce 10kg of aluminium from Al2O3(liquid
What percentage increase in the ms will be necessary : Assume that the VM will turn over 4 times next year if the country wants a GDP of $22 billion at the end of next year, what will have to be the size of the money supply? What percentage increase in the MS will be necessary to achieve the target GDP?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find probability that five are satisfied with airlines

Find the probability that fewer than 5 are satisfied with the airlines. (c)Find the probability that 8 or more are satisfied with the airlines.

  Determining values of probability on discrete distribution

Determining the probability that the two choose the same number?

  Sample mean of iq scores and population mean

what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points? (Round your answer to four decimal places.)

  Alternative hypotheses for coca-cola

Set up the null and alternative hypotheses for Coca-Cola. In terms of Coke's decision to introduce the new bottle or not, what is a Type I error?

  What percent of ball bearings on line will have diameter

The standard deviation, over a long period of time, was computed to be 0.150 mm. What percent of the ball bearings on this line will have diameters of 20.27 mm or more?

  Question on measure of central tendency

What information does each measure of central tendency provide? Why are measures of variability essential statistical tools for describing behavior?

  Adjusted exponential smoothing forecast and linear trend

Claculate the exponential also adjusted exponential smoothing forecast and linear trend forecasting. The hotel has experienced the following occupancy rates for the past 9 years.

  Information about expressions and equations

Please provide an answer to the questions below that contains 250 to 300 words to each. How does the knowledge of simplifying an expression help you to solve an equation efficiently? Give an example of using and not using simplification to illustra..

  Examining frequency distribution

The frequency distribution below shows the distribution for suspended solid concentration (in PPM) in river water of 50 different waters collected in September 2011.

  Find probability that average score of golfers exceed value

Standard deviation of 5. suppose 100 golfers played the course today. Find the probability that the average score of the 100 golfers exceeded 74.

  Information about descriptive statistics and probability

What is the relationship between descriptive statistics and Affirmative Action ? Can using probability in market trending decisions lead to a bad decision? Explain?

  Poisson distribution analysis

A textile manufacturer estimates that it produces bolts of cloth with flaws following a Poisson distribution that has an average of one flaw per 200 feet of cloth.

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