At the close of the stock markets on a day in 2013, there were 5905 companies listed with a certain stock exchanstock was listed on Exchange 1.Percentage ofCompaniesListedProbability ofProbability ofStockProbability theStocks RemainStockExchangeExchange 1Exchange 2Advancing0.042DecliningUnchanged0.04255.1%0.26744.9%0.0550.2970.055The probability that an unchanged stock was listed on Exchange 1 is(Round to three decimal places as needed.)

Answered: Image /qna-images/answer/c0199fa8-1afe-4576-9ea8-72a265eee1b0.jpg

Answered: Exchange 1 is

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 26PPS

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If you played the game in Exercise 1 many times, then you would expect your average payoff per game lo be about $ ____________.
A school district started using a new criteria for selecting which students entered their "accelerated" math track, starting in 6th grade. The study found that under the new criteria about 75% of the students in the district were eligible for accelerated math in 6th grade, but that from one year to the next only about 2/3 of the students stayed in the accelerated track. a) Assuming that everyone who is eligible enrolls the first year, make a TABLE that shows the percent of the students in the district that would be expected to be enrolled in the accelerated track each year from 6th grade until 10th grade. Please show the work you used to fill in your table. b) Considering that from one year to the next about 2/3 of the students stay in the accelerated track, is there a grade level in which you'd expect about 1/10 as many students in the accelerated track as there were in 6th grade? Does the number of students in the accelerated track in 6th grade affect your answer? Please show your…
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the american association of individual investors conducts a weekly survey of its members to measure the percent who are bullish, bearish, and neutral on the stock market for thenext six months. for the week ending november 7, 2012, the survey results showed 38.5%bullish, 21.6% neutral, and 39.9% bearish (aaii website, november 12, 2012). assumethese results are based on a sample of 300 aaii members.a. over the long term, the proportion of bullish aaii members is .39. conduct a hypothesis test at the 5% level of significance to see if the current sample results show thatbullish sentiment differs from its long term average of .39. what are your findings?
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the american association of individual investors conducts a weekly survey of its members to measure the percent who are bullish, bearish, and neutral on the stock market for thenext six months. for the week ending november 7, 2012, the survey results showed 38.5%bullish, 21.6% neutral, and 39.9% bearish (aaii website, november 12, 2012). assumethese results are based on a sample of 300 aaii members.a. over the long term, the proportion of bullish aaii members is .39. conduct a hypothesis test at the 5% level of significance to see if the current sample results show thatbullish sentiment differs from its long term average of .39. what are your findings?b. over the long term, the proportion of bearish aaii members is .30. conduct a hypothesis test at the 1% level of significance to see if the current sample results show thatbearish sentiment is above its long term average of .30. what are your findings?c. would you feel comfortable extending these results to all investors? why or why…
A survey by the Arthur Andersen Enterprise attempted to determine what the leading challenges are for the growth and survival of small businesses. Although the economy and finding qualified workers were the leading challenges, several others were listed in the results of the study, including regulations, listed by 30% of the companies, and the tax burden, listed by 35%. Suppose that 71% of the companies listing regulations as a challenge also listed the tax burden as a challenge. Assume these percentages hold for all small businesses. 1. If a small business is randomly selected, find the following probabilities: (a) The small business lists either the tax burden or regulations as a challenge. (b) The small business lists either the tax burden or regulations but not both as a challenge. (c) The small business does not list regulations as a challenge given that it lists the tax burden as a challenge. (d) The small business does not list regulations as a challenge given that it does not…
A survey by the Arthur Andersen Enterprise attempted to determine what the leading challenges are for the growth and survival of small businesses. Although the economy and finding qualified workers were the leading challenges, several others were listed in the results of the study, including regulations, listed by 30% of the companies, and the tax burden, listed by 35%. Suppose that 71% of the companies listing regulations as a challenge also listed the tax burden as a challenge. Assume these percentages hold for all small businesses. 1. If a small business is randomly selected, find the following probabilities: (a) The small business lists either the tax burden or regulations as a challenge. (b) The small business lists either the tax burden or regulations but not both as a challenge. (c) The small business does not list regulations as a challenge given that it lists the tax burden as a challenge. (d) The small business does not list regulations as a challenge given that it does not…

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