9) According to government data, the probability that an adult was never in a museum is 15%. In a survey of 10 adults, what is the probability that two or less were never in a museum? A) 0.432 C) 0.501 B) 0.045 D) 0.820 10) A test consists of 10 true/false questions. To pass the test a student must answer at least 6 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test? A) 0.377 C) 0.172 B) 0.828 D) 0.205 11) In a new auto study among 14 drivers living on one particular street, it was determined that 3 were involved in a car accident last If 14 year. drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? A) 0.393 C) 0.094 B) 0.604 D) 0.906 12) The probability that a house in an urban area wil develop a leak is 5%. If 20 houses are randomly selected, what is the mean of the number of h that developed leaks? (Special for A) 0.5 B) 1.5 13) Aquiz consists of 620 true
9) According to government data, the probability that an adult was never in a museum is 15%. In a survey of 10 adults, what is the probability that two or less were never in a museum? A) 0.432 C) 0.501 B) 0.045 D) 0.820 10) A test consists of 10 true/false questions. To pass the test a student must answer at least 6 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test? A) 0.377 C) 0.172 B) 0.828 D) 0.205 11) In a new auto study among 14 drivers living on one particular street, it was determined that 3 were involved in a car accident last If 14 year. drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? A) 0.393 C) 0.094 B) 0.604 D) 0.906 12) The probability that a house in an urban area wil develop a leak is 5%. If 20 houses are randomly selected, what is the mean of the number of h that developed leaks? (Special for A) 0.5 B) 1.5 13) Aquiz consists of 620 true
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
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Questions 9,10,11
Transcribed Image Text:9) According to government data, the probability
that an adult was never in a museum is 15%. In a
survey of 10 adults, what is the probability that
two or less were never in a museum?
A) 0.432
C) 0.501
B) 0.045
D) 0.820
10) A test consists of 10 true/false questions. To pass
the test a student must answer at least 6 questions
correctly. If a student guesses on each question,
what is the probability that the student will pass
the test?
A) 0.377
C) 0.172
B) 0.828
D) 0.205
11) In a new auto study among 14 drivers living on
one particular street, it was determined that 3
were involved in a car accident last If 14
year.
drivers are randomly selected, what is the
probability of getting 3 or more who were
involved in a car accident last year?
A) 0.393
C) 0.094
B) 0.604
D) 0.906
12) The probability that a house in an urban area wil
develop a leak is 5%. If 20 houses are randomly
selected, what is the mean of the number of h
that developed leaks? (Special for
A) 0.5
B) 1.5
13) Aquiz consists of 620 true
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