What score should set as lowest passing grade

Assignment Help Basic Statistics
Reference no: EM13130790

A Business professor decides to give a 10-question true-false quiz to determine who has read an assigned chapter. She wants to choose the lowest possible passing grade such that the probability of passing a student who randomly guesses every question is less than 0.2. (A student passes the test if his/her grade is larger than or equal the passing grade.) What score should she set as the lowest passing grade?

Reference no: EM13130790

Questions Cloud

Prepare a sustainable growth plan : You have been hired by the Department of An Taoiseach to comment and critique a sustainable growth plan being considered by parliament.
Stockholders equity at the end of the year : Jimmy's Repair Shop started the year with total assets of $100,000 and total liabilities of $80,000. During the year the business recorded $210,000 in revenues, $110,000 in expenses, and dividends of $20,000. Stockholders' equity at the end of the..
What is the new volume of the oxygen : A 10 liter sample of oxygen 0.0°C and 15 cm. pressure is subjected to 150 cm. pressure at the same temperature. What is the new volume of the oxygen?
What is the rate of return on common stockholders equity : What is the rate of return on common stockholders' equity if sales are $100,000, net income is $22,700, and average common stockholders' equity is $86,000?
What score should set as lowest passing grade : A student passes the test if his/her grade is larger than or equal the passing grade. What score should she set as the lowest passing grade?
Solve equations about ages : Write an equation that models how old in years each of you will be, when your ages add up to 150 years old. For example, if x = your age and the eldest person was a year older than you, you would write their age as x + 1. Then the equation would b..
Develop an acceptance sampling plan for joshua that meets : The contract with the supplier states that the acceptable quality level is 5% defective. The lot tolerance proportion defective is 20%, the producer’s risk is 10%, and the consumer’s risk is 20%. Develop an acceptance sampling plan for Joshua that..
What are the amount and character of y loss : Worthless Securities, Y purchased 30 shares of BCD corporation common stock on March 2, 2010 for $2475. On February 26,2011, Y was notified by her broker that the stock was worthless.
Give clarification of organic chemistry : Synthesizing ethers via acid-catalyzed condensation reactions has limited usefulness. The conditions (sulfuric acid and heat) are also conducive to elimination products. Clarification of Organic Chemistry

Reviews

Write a Review

Basic Statistics Questions & Answers

  Trial-outcome-success-independent

Statisticians use terms like trial, outcome and success in a particular way in reference to probability. What do each of these three terms mean in this context?

  Clarification of null hypothesis

The manager of a local branch of a bank believes that over the past few years the bank has begun to cater to a different clientele and that the average amount withdrawn from its ATMs is no longer $140.00.

  Binomial probability distribution-probability distribution

What is it that differentiates a binomial probability distribution from any other probability distribution? & The employees at a General Motors assembly plant are polled as they leave work.

  Dependent-independent samples

A group of sheep, infested with tapeworms, are randomly divided into two groups as follows. Each sheep is assigned a number (1 through 20) and then 10 numbers

  Two-way anova without replication

The following table shows the number of miles driven in each trial.

  Determine the registered voters that will really vote

Pollsters attempt to find out whether or not person is a "likely voter" before they count their opinion in poll. If we suppose 40% of registered voters will really vote.

  Find probability that sample mean is between a range

Standard deviation of 10 minutes. A random sample of 16 cars is selected. What is the probability that the sample mean is between 45 and 52 minutes.

  Statistical hypothesis test for the given sample

Statistical Hypothesis test for the given sample

  Drawing the histogram for the given data

Create a histogram over five class intervals.

  Regression coefficient statistically significant

Is this correlation statistically significant? He also found the regression coefficient to be -1.66. Is this regression coefficient statistically significant? Explain why or why not for each.

  Slope of the least-squares regression line of scores

What is the slope of the least-squares regression line of final-exam scores on pre-exam total scores in this course?

  Normally distributed height with a mean

Assume that female students' heights are normally distributed with a mean given by µ = 67.2 in. and a standard deviation given by σ = 3.6 in.

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