Multiple Choice
A sample of 2,500 people was asked how many cups of coffee they drink in the morning.You are given the following sample information. 
The variance of the number of cups of coffee is
A) 1.06.
B) 1.03.
C) 2.25.
D) 1.24.
Correct Answer:
Verified
Correct Answer:
Verified
Q17: The random variable x is the number
Q30: Which of the following is a characteristic
Q48: A production process produces 2.5% defective parts.
Q54: The binomial probability distribution is most symmetric
Q57: The probability distribution for the daily sales
Q58: Roth is a computer-consulting firm.The number of
Q61: The probability distribution for the number of
Q62: Twenty percent of the students in a
Q63: Roth is a computer-consulting firm.The number of
Q67: Consider the probability distribution below. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6982/.jpg"