I will rate and comment, please answer all questions below A survey of students in a...
I will rate and comment, please answer all questions below
A survey of students in a large intro to Statistics class asked about their birth order (1 = oldest or only child) and which course of study at the university they were enrolled in. Suppose we select a student at random from this class.
|
1 or Only |
2 or more |
Total |
|
|
English |
37 |
23 |
60 |
|
Science and Engineering |
52 |
41 |
93 |
|
Nursing |
29 |
21 |
50 |
|
Other |
12 |
18 |
30 |
|
Total |
130 |
103 |
233 |
What is the probability that the student is (please give the faction and the decimal rounded to 3 decimal places)
a. a first-born student?
b. firstborn AND a nursing student?
c. firstborn OR a nursing student?
d. Given that a student is first born, what is the probability that they are a nursing student?
e. Are course of study and birth order independent events? Explain using the independence formula
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