Statistics Worksheet With Answer Key Page 17
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20Find the indicated probability.
95) 10 C 2
100) You are dealt two cards successively (without
A) 5
B) 40,320
replacement) from a shuffled deck of 52
C) 80,640
D) 45
playing cards. Find the probability that the
first card is a King and the second card is a
Find the indicated probability.
queen.
96) The table below shows the soft drinks
1
4
A)
B)
preferences of people in three age groups.
663
663
cola root beer lemon-
13
2
under 21 years of age
40
25
C)
D)
102
13
between 21 and 40
35
20
over 40 years of age
20
30
101) What is the probability that 4 randomly
If one of the 255 subjects is randomly selected,
selected people all have different birthdays?
find the probability that the person drinks root
A) 0.9729
B) 0.9891
beer given that they are over 40.
C) 0.9918
D) 0.9836
2
A)
17
102) Among the contestants in a competition are 42
6
women and 28 men. If 5 winners are randomly
B)
17
selected, what is the probability that they are
all men?
2
C)
A) 0.00812
B) 0.11553
5
C) 0.13169
D) 0.07776
D) None of the above is correct.
103) The table below describes the smoking habits
97) A sample of 4 different calculators is randomly
of a group of asthma sufferers.
selected from a group containing 15 that are
Light
Heavy
defective and 30 that have no defects. What is
Nonsmoker
smoker
smoker Total
the probability that at least one of the
Men
341
45
36
422
calculators is defective?
Women
383
38
37
458
A) 0.150
B) 0.184
Total
724
83
73
880
C) 0.816
D) 0.802
If two different people are randomly selected
98) In a blood testing procedure, blood samples
from the 880 subjects, find the probability that
from 5 people are combined into one mixture.
they are both heavy smokers.
The mixture will only test negative if all the
A) 0.006881
B) 0.001674
individual samples are negative. If the
C) 0.006795
D) 0.0001877
probability that an individual sample tests
positive is 0.09, what is the probability that the
104) Find the probability of correctly answering the
mixture will test positive?
first 2 questions on a multiple choice test if
A) 0.376
B) 0.00000590
random guesses are made and each question
C) 0.624
D) 1.00
has 3 possible answers.
1
1
3
2
A)
B)
C)
D)
Provide a written description of the complement of the
9
8
2
3
given event.
99) When several textbooks are returned from
editing, none of the books are found to be
errorless.
A) None of the textbooks are errorless.
B) At least one of the textbooks is errorless.
C) All of the textbooks are errorless.
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education