# Past Exam for MATH 3342 - Mathematical Statistics for Engineers and Scientists at Texas Tech (TTU)

## Exam Information

 Material Type: Exam 2 Professor: Staff Class: MATH 3342 - Mathematical Statistics for Engineers and Scientists Subject: MATHEMATICS University: Texas Tech University Term: Fall 2006 Keywords: Problem StatementsSeparate PaperRelevant StepsDistributionQuestion SheetApproximationProbability SampleObservationsRandom VariableDensity Function

## Sample Document Text

Math 3342-001 Exam II August 1, 2006 Answer the problems on separate paper. You do not need to rewrite the problem statements on your answer sheets. Do your own work. Show all relevant steps which lead to your solutions. Attach this question sheet to the front of your answer sheets. 1. (8 pts) Suppose that 20% of all children are left-handed. In a class of 12 children, what is the probability that at least three are left-handed? 2. (8 pts) A professor in a statistics course constructs a final exam by selecting seven questions at random from a list of twelve questions handed out in advance to the students. Suppose that a particular student has time to prepare answers to the first six of the twelve questions. What is the probability that the student will be prepared for at least five of the seven questions on the exam? 3. (8 pts) The number of raisins in a small cookie from a certain bakery has a Poisson distribution with 2.2 .? = Suppose we take (select independently) two of these cookies. ...

## Related Documents

Concentrated Exam
Combinations Exam
Probability Distribution Exam
The Independent Exam
Distribution Exam
Either...or Exam
Random Sample Notes
Significance Exam
Significance Exam
The Chess Players Exam
Combinations Exam
Working Conditions Exam
Standard Deviation Exam
Psychologist Exam
Approximation Exam
The Economic Problem Exam