Math 1342
Final Exam (Review)
Name___________________________________
Find the percentile for the data point.
1) Data set:
11, 7, 14, 20, 12, 18, 15, 10
;
data point 14
A) 69
B) 31
C) 50
D) 44
E) 56
Solve the problem.
2) The ages of the members of a gym have a mean of 37 years and a standard deviation of
6 years.
Use Chebyshev's
theorem to find % of gym members aged between 22 and 52 ?
A)
≤
88.9%
B)
≥
88.9%
C)
≥
84%
D)
≥
75%
E)
≤
84%
3) Find outlier (if any) for the following data set:
15, 12, 7, 18, 16, 20, 31, 22, 34
A) outlier
=
7, 34
B) outlier
=
34
C) outlier
=
none
D) outlier
=
31, 34
E) outlier
=
7
4) How many different signals can be made by using at at most 2 distinct flags if there are five flags to choose from ?
A) 25
B) 320
C) 300
D) 26
E) 20
5) There are 12 boys and 10 girls in a class.
. How many way can a group of 5 consist of 3 boys and 2 girls be selected ?
A) 2970
B) 26334
C) 26400
D) 7920
E) 9900
Find the indicated probability.
6) If you pick a card at random from a well shuffled deck, what is the probability that you get a face card or a red card ?
A)
3
26
B)
8
13
C)
35
52
D)
19
26
E)
1
2
7) A car dealer
sells 3 types
of
cars. It sells 50% of type X, 30% of type Y, and 20% of type Z.
91% of type X, 95% of type Y
and
97% of type Z have "AC". If a car is selected randomly, find probability it has no "AC".

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