Explain the concept of a random variable

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Reference no: EM13911802

1. Explain the concept of a random variable.

2. Explain how the values of a discrete random variable differ from the values of a continuous random variable.

3. Classify each of the following random variables as discrete or continuous:

a. x = the number of girls born to a couple who will have three children.

b. x = the number of defects found on an automobile at final inspection.

c. x = the weight (in ounces) of the sandwich meat placed on a submarine sandwich.

d. x = the number of incorrect lab procedures conducted at a hospital during a particular week.

e. x = the number of customers served during a given day at a drive-through window.

f. x = the time needed by a clerk to complete a task.

g. x = the temperature of a pizza oven at a particular time.

4. Find a discrete probability distribu- tion and compute its mean and standard deviation.

Reference no: EM13911802

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