whether8) In a certain college, 33% of the physics majorsbelong to ethnic minorities. If 10 students areselected at random from the physics majors, whatis the probability that less than 6 belong to anethnic minority?A) 0.055C) 0.913B) 0.958D) 0.9819) According to government data, the probabilitythat an adult was never in a museum is 15%. In asurvey of 10 adults, what is the probability thattwo or less were never in a museum?A) 0.432C) 0.501B) 0.045D) 0.82010) A test consists of 10 true/false questions. To passthe test a student must answer at least 6 questionscorrectly. If a student guesses on each question,what is the probability that the student will pass16the test?A) 0.377C) 0.172B) 0.828D) 0.20511) In a new auto study among 14 drivers living onone particular street, it was determined that 3If 14n,were involved in a car accident lastyear.drivers are randomly selected, what is theprobability of getting 3 or more who wereinvolved in a car accident last year?B) 0.604D) 0.906A) 0.393C) 0.09412) The probability that a house in an urban area willdevelop a leak is 5%. If 20 houses are randomlyselected, what is the mean of the number of housesthat developed leaks? (Special formula)B) 1.5A) 0.5C) 1D) 213) A quiz consists of 620 true or false questions. If thestudent guesses on each question, what is thestandard deviation of the number of correctanswers, approximatelly? (Special formula)A) 17.6068169B) 2C) 12.4498996D) 0

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Asked Feb 27, 2020
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Questions 8-13

whether
8) In a certain college, 33% of the physics majors
belong to ethnic minorities. If 10 students are
selected at random from the physics majors, what
is the probability that less than 6 belong to an
ethnic minority?
A) 0.055
C) 0.913
B) 0.958
D) 0.981
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
16
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
If 14
n,
were involved in a car accident last
year.
drivers are randomly selected, what is the
probability of getting 3 or more who were
involved in a car accident last year?
B) 0.604
D) 0.906
A) 0.393
C) 0.094
12) The probability that a house in an urban area will
develop a leak is 5%. If 20 houses are randomly
selected, what is the mean of the number of houses
that developed leaks? (Special formula)
B) 1.5
A) 0.5
C) 1
D) 2
13) A quiz consists of 620 true or false questions. If the
student guesses on each question, what is the
standard deviation of the number of correct
answers, approximatelly? (Special formula)
A) 17.6068169
B) 2
C) 12.4498996
D) 0
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whether 8) In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probability that less than 6 belong to an ethnic minority? A) 0.055 C) 0.913 B) 0.958 D) 0.981 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 16 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 If 14 n, were involved in a car accident last year. drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? B) 0.604 D) 0.906 A) 0.393 C) 0.094 12) The probability that a house in an urban area will develop a leak is 5%. If 20 houses are randomly selected, what is the mean of the number of houses that developed leaks? (Special formula) B) 1.5 A) 0.5 C) 1 D) 2 13) A quiz consists of 620 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers, approximatelly? (Special formula) A) 17.6068169 B) 2 C) 12.4498996 D) 0

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Hello there! there are more than one question. According to our policies we cannot answer more than one question. So please find the solution  of the 8th  question. If you have doubts in remaining part of the question kindly make a new request, mentioning the question in which you need help

Given data

Probability of selecting ethnic minorities = 0.33

Number of students selected (n) = 10

Probabilit...

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