Mathematics, 12.11.2019 00:31 natd299736
For 300 trading days, the daily closing price of a stock (in $) is well modeled by a normal model with mean $196.99 and standard deviation $7.12. according to this model, what is the probability that on a randomly selected day in this period the stock price closed as follows.
a) above 211.23?
b) below $204.11?
c) between 182.75 and $211.23?
d) which would be more unusual, a day on which the stock price closed above $208 or below $185?
%
(round to one decimal place as needed.)
%
(round to one decimal place as needed.)
%
(round to one decimal place as needed.)
d) choose the correct answer below.
a. the more unusual day is if the stock closed above $ 208 because it has the largest absolute z-score.
b. the more unusual day is if the stock closed above $208 because it has the smallest z-score.
c. the more unusual day is if the stock closed below $185 because it has the smallest z-score.
d. the more unusual day is if the stock closed below $185 because it has the largest absolute z-score.
Answers: 1
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For 300 trading days, the daily closing price of a stock (in $) is well modeled by a normal model wi...
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