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inna [77]
3 years ago
8

Last year 26 members of a certain club traveled to England, 26 members traveled to France, and 32 members traveled to Italy. Las

t year no members of the club traveled to both England and France, 6 members traveled to both England and Italy, and 11 members traveled to both France and Italy. How many members of the club traveled to at least one of these three countries last year?
A) 52
B) 67
C) 71
D) 73
E) 79
Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0
A) 52 is the answer
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Suppose the average math SAT score for students enrolled at local community college is 490.4 with a standard deviation of 63.7.
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Answer:

Option B) 9.1      

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

Standard deviation = 63.7

Sample size, n = 49

Formula:

=\dfrac{\sigma}{\sqrt{n}}

Putting values, we get,

Standard error =

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{63.7}{\sqrt{49}} = 9.1

Thus, the correct answer is

Option B) 9.1

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