BADM_Thu3:15pm

Description:

Answer all questions. Submit the survey. Take the survey only once.

Which of the following choices is NOT a measure of the variability of data?

Range
Variance
Quartile
Interquartile Range (IQR)
All of the above

If P(A|B) = P(A), we can tell that event A and event B are

dependent
independent
union
complement
mutually exclusive

Which of the following choices is a continuous random variable?

Number of patients waiting at 9am in an x-ray department
Number of defective parts received from the supplier
Gender of next customer who will make a purchase
Lead time between orders
Number of late deliveries

Which of the following statements is NOT a property of binomial probability distributions?

The trials are dependent
Two outcomes are possible on each trial – success and failure
The probability of a success and a failure does not change from trial to trial
The experiment consists of a sequence of n identical trials
None of the above

Which of the following statements is NOT a characteristic of normal probability distributions?

The normal distribution is symmetric
The highest point on the normal curve is at the mean, which can be any numerical value: negative, zero, or positive
The standard deviation determines how flat and wide the normal curve is
The total area under the curve for the normal distribution is 1
None of the above