Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 12 Nov 2017 My Price 2.00

exchange-traded funds

According to a survey conducted by TD Ameritrade, one out of four investors has exchange-traded funds in his or her portfolio ( USA Today. January I I.2007). Consider a sample of 20 investors.

a. Compute the probability that exactly four investors have exchange-traded funds in their portfolios.

b. Compute the probability that at least two of the investors have exchange-traded funds in their portfolios.

c. If you found that exactly 12 of the investors have exchange-traded funds in their port-folios. would you doubt the accuracy of the survey results?

d. Compute the expected number of investors who have exchange-traded funds in their portfolios.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 12 Nov 2017 11:11 AM My Price 2.00

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