Multiple Choice
Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 0.3Y.
A) μ = 18,σ = 0.72
B) μ = 60.3,σ = 8
C) μ = 60.3,σ = 2.4
D) μ = 18,σ = 8
E) μ = 18,σ = 2.4
Correct Answer:

Verified
Correct Answer:
Verified
Q7: The amount of money that Jon can
Q9: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3448/.jpg" alt=" A)117.00 B)90.00 C)99.00
Q10: In a box of 7 batteries,3 are
Q11: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3448/.jpg" alt=" A)8.30 B)2.75 C)2.45
Q13: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3448/.jpg" alt=" A)52 B)40 C)66
Q14: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3448/.jpg" alt=" A)9.2 B)8.4 C)8.8
Q15: You pick a card from a deck.If
Q16: The accompanying table describes the probability distribution
Q102: Sue buys a large packet of rice.The
Q213: The amount of money that Jon can