Multiple Choice
The expected value of a random variable X is 115 and the standard deviation is 21.The standard deviation of the random variable Y = 3X − 10 is
A) 63
B) 6.48
C) 53
D) 41
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q7: Hardluck Harry has a batting average of
Q8: If 5 percent of automobiles in Oakland
Q8: Ephemeral Services Corporation (ESCO) knows that nine
Q9: The probability that an Oxnard University student
Q14: If X is a discrete uniform random
Q15: Which distribution is most nearly appropriate to
Q27: A network has three independent file servers,
Q94: The Poisson distribution has only one parameter.
Q101: Cars are arriving at a toll booth
Q105: The Poisson distribution describes the number of