Ellis Ford
01/18/2024 · Junior High School
For a Student's \( t \)-distribution with mean 0 , standard deviation 1 , and degrees of freedom 30, which of the following Python lines outputs the probability P(t <-0.185)? Select one. import scipy.stats as st print(st.t.cdf(-0.185, 30, 0, 1)) import scipy.stats as st print(st.t.sf(-0.185, 30, 0, 1)) import scipys.stats as st print(st.t.pdf(-0.185, 30, 0, 1)) import scipy.stats as st print(st.t(-0.185, 30, 0, 1))
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To find \( P(t < -0.185) \) for a Student's \( t \)-distribution with 30 degrees of freedom, use the `cdf` method from `scipy.stats`. The correct code is `st.t.cdf(-0.185, 30)`. The closest option is:
```python
import scipy.stats as st
print(st.t.cdf(-0.185, 30, 0, 1))
```
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