Lock, Statistics: Unlocking the Power of Data, 2eHelp I System AnnouncementsPRINTER VERSION1 BACKNEXT.3131P(increases for two consecutive days) =What is the probability that the S&P 500 Increases on a day, given that it increased the day before?Round your answer to four decimal places..3128P(increases on a day if increased the day before) =Z Your answer is partially correct. Try again.(c) Between January 1, 2009 and January 1, 2012 the S&P 500 increased on two consecutive market days 234 times out of a possible 755. Based on this information, what is the probability thatthe S&P 500 increases for two consecutive days?Round your answer to four decimal places..3099P(increases for two consecutive days) =What is the probability that the S&P 500 increases on a day, given that it increased the day before?Round your answer to four decimal places.3131P(increases on a day if increased the day before) =M Correct.:ON Uetv8.Q Search Default Lock, Statistics: Unlocking the Power of Data, 2eHelp I System AnnouncementsPRINTER VERSION4BACKNEXTChapter P, Section 1, Exercise 041Is the Stock Market Independent?The Standard and Poor 500 (S&P 500) is a weighted average of the stocks for 500 large companies in the United States. It is commonly used as a measure of the overall performance of the USstock market. Between January 1, 2009 and January 1, 2012, the S&P 500 increased for 423 of the 756 days that the stock market was open. We will investigate whether changes to the S&P 500are independent from day to day. This is important, because if changes are not independent, we should be able to use the performance on the current day to help predict performance on the nextday.M Correct.(a) What is the probability that the S&P 500 increased on a randomly selected market day between January 1, 2009 and January 1, 2012?Round your answer to four decimal places.P(increase).5595the absolute tolerance is +/-0.0005SHOW SOLUTIONLINK TO TEXTZ Your answer is partially correct. Try again.(b) If we assume that daily changes to the S&P 500 are independent, what is the probability that the S&P 500 increases for two consecutive days?Round your answer to four decimal places.3131OTE8.étvQ Search Default

Name: Lock, Statistics: Unlocking the Power of Data, 2eHelp I System Announ
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Description: Lock, Statistics: Unlocking the Power of Data, 2eHelp I System AnnouncementsPRINTER VERSION1 BACKNEXT.3131P(increases for two consecutive days) =What is the probability that the S&P 500 Increases on a day, given that it increased the day before?Roun

If we assume that daily changes to the S&P 500 are independent, so it does not matter whether S&P 500 increased or not on day before, it will not affect the probability of increasing on next day. so, P ( increases on a day if increased the day before ) =P(increase on any day) = 0.5595there is nothing mentioned about independent event. So, P ( increases on a day if increased the day before ) = P(increase on first day) X P(increase one next day) P ( increases on a day if increased the day before ) = (423/756) X (422/755) P ( increases on a day if increased the day before ) = 0.3127

Math

Statistics

The Standard and Poor 500 (S&P 500) is a weighted average of the stocks for 500 large companies in the United States. It is commonly used as a measure of the overall performance of the US stock market. Between January 1, 2009 and January 1, 2012, the S&P 500 increased for 423 of the 756 days that the stock market was open. We will investigate whether changes to the S&P 500 are independent from day to day. This is important, because if changes are not independent, we should be able to use the performance on the current day to help predict performance on the next day.

The Standard and Poor 500 (S&P 500) is a weighted average of the stocks for 500 large companies in the United States. It is commonly used as a measure of the overall performance of the US stock market. Between January 1, 2009 and January 1, 2012, the S&P 500 increased for 423 of the 756 days that the stock market was open. We will investigate whether changes to the S&P 500 are independent from day to day. This is important, because if changes are not independent, we should be able to use the performance on the current day to help predict performance on the next day.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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