S SchoologyA aldine.schoology.com/common-assessment-delivery/start/4845788930?action3Donresiokmarks s Savvas RealizeIn OR, what is the value of x?А(4х-7)%(2x+11)°CA 2С 9В ЗD not enough informationO A

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Description: S SchoologyA aldine.schoology.com/common-assessment-delivery/start/4845788930?action3Donresiokmarks s Savvas RealizeIn OR, what is the value of x?А(4х-7)%(2x+11)°CA 2С 9В ЗD not enough informationO A

we know that in a circle the angles in the same segment are equal .therefore angle a =angle b. see…

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In OR, what is the value of x? А (4х — 7)% В R (2x+11)° C A 2 С 9 В з D not enough information

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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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?
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?
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 pharmaceutical company wants to test whether aspirin 1 is as effective as aspirin 2. A random sample of 400 people with headaches are given Aspirin 1 and 260 report that they feel better within 1 hour. Another independent random sample of 350 people with headaches are given aspirin 2 and 220 report that they feel better within 1 hour. a) at the 1% level of significance, does there appear to be a difference in effectiveness of the 2 types of aspirin? b) what is the P value?
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A pizza chain advertises that, in recent taste experiment in which their pizza (pizza A) was compared with the other four leading pizza chains, more people preferred their pizza to the other four. The data from the taste experiment are recorded as: Pizza A = 60 people, Pizza B = 45 people, Pizza C = 52 people, Pizza D = 43 people and Pizza E = 50 people. Do you believe the ad to be misleading? Use a = 0.05 in making your decision and follow all necessary testing procedures.