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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A fair coin is tossed until either a tail occurs or a total of 4 tosses have been made, whichever comes
first. Let X denote the number of tosses.
a) Build the probability distribution of X.
b) Find the mean value of X.
c) Find the standard deviation of X.
Expert Solution
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- Find the Margin of Error, if we are asked for 90% confidence interval where the mean is 52.3, the standard deviation is 2.15 and the sample size is 136.arrow_forwardAssume the geometric distribution applies. Use the given probability of success p to find the indicated probability. Find P(5) when p= 0.90arrow_forwardLet X = {Email, In Person, Instant Message, Text Message}; P(Email) = 0.06 P(In Person) = 0.55 P(Instant Message) = 0.24 P(Text Message) = 0.15 Is this model a probability distribution? A. Yes. B. No. C. Maybe.arrow_forward
- Fill in the P(X=x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -4,-2,3,5, and 6.arrow_forwardFill in the P (X =x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are -1, 3, 4, 5, and 6. Value x of X P(X x) 1 0.25 3. 0.16 4. 0.24 5.arrow_forwardFill in the P (X=x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 1, 2, 4, 5, and 6. Value x of X P(X = x) %3D 1 0.10 2. 0.20 4 6. 0.28arrow_forward
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