The number of courses (X) that Sacramento City College sociology students are enrolle in this semester is approximated by the following probability distribution. P(X) 10% 20% 40% 20% 10% 6.

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Problem 1
The number of courses (X) that Sacramento City College sociology students are enrolled
in this semester is approximated by the following probability distribution.
P(X)
10%
20%
4
40%
20%
10%
For a randomly selected Sacramento City College sociology class containing 25 students,
find the narrowest interval that would accurately predict the mean number of courses that
these students are enrolled in this semester 90% of the time. Use words to express your
answer.
A Gallup poll conducted last week asked a random sample of 1025 Americans how they
identify themselves politically and whether they thought the news media as too liberal.
The results are presented in the table below.
Problem 2
Identification
Transcribed Image Text:Problem 1 The number of courses (X) that Sacramento City College sociology students are enrolled in this semester is approximated by the following probability distribution. P(X) 10% 20% 4 40% 20% 10% For a randomly selected Sacramento City College sociology class containing 25 students, find the narrowest interval that would accurately predict the mean number of courses that these students are enrolled in this semester 90% of the time. Use words to express your answer. A Gallup poll conducted last week asked a random sample of 1025 Americans how they identify themselves politically and whether they thought the news media as too liberal. The results are presented in the table below. Problem 2 Identification
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