According to which of the following is technical analysis a waste of time? Weak form efficient
market hypothesis. Semi-strong form efficient market hypothesis. Strong form efficient market
hypothesis. Both a and b. All of the above.
Solution
Answer is Both Weak and Semi Strong Efifcient Market Hypothesis is a waste of time..
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According to www.umich.edu-isaincominghousing.html, in 2007 the mo.pdf
1. According to www.umich.edu/-isa/incoming/housing.html, in 2007 the monthly rental rates for
one bedroom apartments in Ann Arbor, Michigan, had a mean of $700. Suppose those rental
rates have approximately a normal distribution, with a standard deviation of $150. Using a table,
calculator, or software that can give normal probabilities, find the approximately proportion of
one-bedroom apartments for which the rental rate: is a least $1000 a month. Is less than $500 a
month. Is between $500 and $1000 a month.
Solution
Given X~Normal(mean=700, s=150) a. P(X>1000)=P((X-mean)/s > (1000-
700)/150) =P(Z>2) = 0.0228 (check standard normal table) b. P(X<500)=P(Z<(500-700)/150)
=P(Z<-1.33) =0.0918 c. P(500