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)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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Questions 9,10,11 

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
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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