Multiple Choice
In a box of 8 batteries,5 are dead.You choose two batteries at random from the box.Let the random variable X be the number of good batteries you get.Find the standard deviation of of X.
A) σ = 0.78
B) σ = 0.40
C) σ = 0.47
D) σ = 0.59
E) σ = 0.63
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q99: The rate of defects among CD players
Q100: You pick a card from a
Q101: We record the blood types (O,A,B,or AB)found
Q102: Sue buys a large packet of rice.The
Q103: In a box of 7 batteries,6 are
Q105: A tennis player makes a successful first
Q106: In one city,the probability that a person
Q107: Your school's soccer team plays two games
Q108: Consider a game that consists of
Q109: The probability that a car will have