










STATISTICS 120
Probability for Engineering
Spring Quarter 2006 04/21/2006 First Midterm
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S H O W ALL W O R K . The exam is closed book and closed notes. Do not w x l your answers on this test sheet; it will be discard
1. (18 points)
A coin with probability p of falling H's is tossed independently 15 times, and let X and Y be the r.u.'s denoting the numbers of H's and T's, respectively.
(i) Write down the correct formula for the probability: P ( X 5 2Y). (ii) If the coi
Statistics 120: Probability for Engineers
Fall 2005 Practice Midterm II (Solution)
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1
Instructions: This is a closed book exam. NO collaboration is allowed. The total score is 100. Show all your work. Partial credit can onl
Statistics 120: Probability for Engineering
Fall 2005
Practice Midterm II
Print name:
Print ID:
Sign name:
1
Instructions: This is a closed book exam. NO collaboration is allowed.
The total score is 100. Show all your work. Partial credit can only be give