BUS 210 Exam 2 Questions and Answers with Complete Solutions.

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BUS 210 Exam 2 Questions and Answers with
Complete Solutions



If an event A includes the entire sample space, then P(A^c) = 0 -
ANSWER False


Two chips are drawn at random and without replacement from
a bag containing two blue chips and two red chips. Events A and
B are defined as follows.
A: {Both chips are red}
B: {At least one of the chips is blue}
True or False: A ∩ B = B - ANSWER False


Determine whether the event is independent or dependent.
Five successive 3's are rolled with a fair die - ANSWER
Independent


Independent events can include repeating an action like rolling
a die more than once, or using two different random elements,
such as flipping a coin and spinning a spinner

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Evaluate the expression.
8!/6! - ANSWER 56


Evaluate 5P4. - ANSWER 120


5P4 = (5!)/(5-4)! = 5!/1! = 5! = 5*4*3*2*1 = 120


Evaluate 7C3. - ANSWER (7!)/{(3!)(7-3)!} = 35


Evaluate 10! - ANSWER 3,628,800


Express the indicated degree of likelihood as a probability value.
"You have one chance in ten of winning the race." - ANSWER
0.10


Find the indicated probability. Express your answer as a
simplified fraction unless otherwise noted.
The table below describes the smoking habits of a group of
asthma sufferers.