1)Thank you ToleranceBy default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to enter at least 3 digits for numerical questions.If the correct answer is 7.24809, which of the following entries would be counted as correct? That is, which entries are within WebAssign's default tolerance? (Select all that apply.)7.313307.18307.1D07.095907.407.25Submit AnswerQuestion 1 of 13View Next QuestionHome4L OFM68°F Light rain dEnterHO Type here to searchO BIINEPASCShift

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Answered: Tolerance By default, your numerical…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.7: Probability

Problem 55SE: Use the following scenario for the exercises that follow: In the game of Keno, a player starts by...

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Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 55. How much less is a player’s chance of selecting 3 winning numbers than the chance of selecting either 4 or 5 winning numbers?
Find the positive geometric mean between 4 and 64.
Determine what proportion (n) of a population N of 4,000 will make your research work scientific in terms of sampling? Use the Slovin's formula at 0.05 level of significance. Give the solution.
A market researcher wanted to evaluate the difference in credit charges for customers of Bracy’s. She randomly selected 100 customers and recorded their credit charges in December 2004 and January 2005. Is there evidence to show a difference in credit charges between the two months?Step 1: Step 2: α =Ho: H1:Step 3 Step 4 Step 5 Step 6 Difference: Dec. 2004 - Jan. 2005 Sample Diff: 280.74152 Std. Err: 99.50361 p-value: 0.0058
In an outbreak of typhoid fever among attendees of an acquaintance party, 99 persons ate spaghetti, 30 of whom developed typhoid fever, 63 ate mac-and-cheese of whom 20 developed typhoid fever. Which group of people had the higher attack rate? Express calculated answers in percentage and in 2 decimal places if applicable.
The given population is 3476, n = 528, what will be the value of e (margin of error)? Show clear solutions
Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). A new version of the exam was introduced in spring 20152015 and is intended to shift the focus from what applicants know to how well they can use what they know. One result of the change is that the scale on which the exam is graded has been modified, with the total score of the four sections on the test ranging from 472472 to 528528 . In spring 20152015 the mean score was 500.0500.0 with a standard deviation of 10.610.6 . Use Table A to find the answers to the two questions. (a) What proportion of students taking the MCAT had a score over 512512 ? Compute the proportion and then enter the answer as a percentage rounded to two decimal places. percentage over 512512 = % (b) What proportion of students taking the MCAT had scores between 510 and 520? Compute the proportion and then enter the answer as a percentage rounded to two decimal places.…
An environmentalist wants to find out the fraction of oil tankers that have spills each month. Step 1 of 2: Suppose a sample of 549549 tankers is drawn. Of these ships, 9898 had spills. Using the data, estimate the proportion of oil tankers that had spills. Enter your answer as a fraction or a decimal number rounded to three decimal places.
Select the correct statement below a) If the nineteenth percentile has a value of 0.8, this means that 90% of all observations have a value lower than 0.8 b)If the nineteenth percentile has a value of 0.8, this means that 80 percent of all observations are below 90 percent. c) If the nineteenth percentile has a value of 0.8, this means that 90% of all observations have a value higher than 0.8 d) If the nineteenth percentile has a value of 0.8, this means that 80 percent of all observations are over 90 percent.
Try bartleby tutorarrow_forward Question Asked Jun 25, 2020 1 views Dietary guidelines recommend people should est at least 7 servings of fruits and vegetables each day. Yet research suggests that few americans do, assuming because of education level. To investigate, you survey 100 people qnd ask about their education level and servings of fruits and vegetables a fay, on average. Respondents report having 12.5 ywars of education and earing 4.5 servings of fruits and vegetables a day, on average. The standard deviations for education and fruit and vegetables consumption are 1.5 years and 2 servings. Correlation (r) between education and fruit qnd vegetables consumption is .18. A. Calculate and interpret the slope. B. Calculate and interpret the intercept C.calculate and interpret the coefficient of determination D.Estimate the equation of regression line that best describes the relationship between education abd fruit and vegetable consumption E. Calculate the…
The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 3232 who smoke. Step 1 of 2 : Suppose a sample of 20172017 Americans over 3232 is drawn. Of these people, 665665 smoke. Using the data, estimate the proportion of Americans over 3232 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.
Some commercial airlines recirculate about half the air in the cabin during flights as a way to improve fuel efficiency. Other airlines make a policy of NOT recirculating the air and instead, have fresh air from the atmosphere constantly being inserted into the cabin with the “old” air being pumped out of the plane. A total of 1100 passengers flying from San Francisco to Denver were used for an experiment. After their flight, they were each given a list of symptoms associated with the common cold. They were asked to report if they experienced cold symptoms within 24 hours of the flight landing. Of the 517 passengers who flew on planes that recirculate the air, 108 reported post-flight cold symptoms. Of the 583 passengers who flew on airlines that do not use recirculation in the cabin, 110 reported symptoms. Suppose now that we want to use the recirculation of air data to explore “Goal #2”, which is to resolve a hypothesis test about . a) If we want to resolve this hypothesis…

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