Suppose you have a machine that randomly prints out tickets with numbers on them. 54% of the time the ticket has number 5. 39% of the time the ticket has number 14. 7% of the time the ticket has number 18. There are no other ticket numbers. Let the random variable X be the number on the ticket. 21. Use the Second Ticket Machine Setup. Find the mean µ for the distribution of X. А. 9.42 В. 10.42 С. 11.42 D. 12.42 22. Use the Second Ticket Machine Setup. Find the variance o² for the distribution of X. A. 22.8836 В. 23.8836 С. 24.8836 D. 25.8836 23. Flip six unfair coins where, for each coin, P(H) = 0.20 and P(T) = 0.80. Let X be the total number of heads. Find P(X = 4), the probability of getting 4 heads. A. 0.04536 B. 0.03536 С. 0.02536 D. 0.01536
Suppose you have a machine that randomly prints out tickets with numbers on them. 54% of the time the ticket has number 5. 39% of the time the ticket has number 14. 7% of the time the ticket has number 18. There are no other ticket numbers. Let the random variable X be the number on the ticket. 21. Use the Second Ticket Machine Setup. Find the mean µ for the distribution of X. А. 9.42 В. 10.42 С. 11.42 D. 12.42 22. Use the Second Ticket Machine Setup. Find the variance o² for the distribution of X. A. 22.8836 В. 23.8836 С. 24.8836 D. 25.8836 23. Flip six unfair coins where, for each coin, P(H) = 0.20 and P(T) = 0.80. Let X be the total number of heads. Find P(X = 4), the probability of getting 4 heads. A. 0.04536 B. 0.03536 С. 0.02536 D. 0.01536
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Second Ticket Machine Setup
Suppose you have a machine that randomly prints out tickets with numbers on them. 54% of the time
the ticket has number 5. 39% of the time the ticket has number 14. 7% of the time the ticket has
number 18. There are no other ticket numbers. Let the random variable X be the number on the ticket.
21. Use the Second Ticket Machine Setup. Find the mean u for the distribution of X.
А. 9.42
В. 10.42
С. 11.42
D. 12.42
22. Use the Second Ticket Machine Setup. Find the variance o? for the distribution of X.
A. 22.8836
B. 23.8836
С. 24.8836
D. 25.8836
23. Flip six unfair coins where, for each coin, P(H) = 0.20 and P(T) = 0.80. Let X be the total number of
heads. Find P(X = 4), the probability of getting 4 heads.
A. 0.04536
В. 0.03536
C. 0.02536
D. 0.01536
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