# MAT540/MAT 540 Midterm (All correct) 40 Questions - 87857

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Question 1

1. Deterministic techniques assume that no uncertainty exists in model parameters.

True

False

Question 2

2. An inspector correctly identifies defective products 90% of the time. For the next 10 products, the probability that he makes fewer than 2 incorrect inspections is 0.736.

True

False

Question 3

3. A continuous random variable may assume only integer values within a given interval.

True

False

Question 4

4. A decision tree is a diagram consisting of circles decision nodes, square probability nodes, and branches.

True

false

### 5. Question 5

Excel can only be used to simulate systems that can be represented by continuous random variables.

True

False

Question 6

Starting conditions have no impact on the validity of a simulation model.

True

False

Question 7

Data cannot exhibit both trend and cyclical patterns.

True

false

Question 8

Qualitative methods are the least common type of forecasting method for the long-term strategic planning process.

True

false

Question 9

Assume that it takes a college student an average of 5 minutes to find a parking spot in the main parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the college students when trying to find a parking spot in the main parking lot?

5.8 minutes

6.4 minutes

9.2 minutes

3.5 minutes

Question 10

__________ is a measure of dispersion of random variable values about the expected value.

Answ

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