Answer:
Step-by-step explanation:
Given
The attached plot
Required
P(Ice Cream|Frogtown)
This is calculated as:
From the attachment;
So, we have:
Express as percentage
-- approximated
Answer:
Oliver completed his training work in 50.25 hours
Step-by-step explanation:
we know that
we have
<u><em>Convert days to hours</em></u>
<u><em>Convert minutes to hour</em></u>
so
therefore
Oliver completed his training work in 50.25 hours
The statistical test that would be most appropriate determine the answer the researcher is interest in knowing is a chi-square test.
<h3>
What is a chi-square test?</h3>
A chi-square test is a statistical test used to test the relationship between categorical variables. It is used to determine the difference between the expected data and the observed data is due to chance.
Chi squared =
Where:
- = observed value
- = expected value.
The researcher is interested in knowing if the response to lowering the legal age for drinking alochol (observed value)) varies by gender (expected value). Thus, a chi-square test would be used.
To learn more about chi-square, please check: brainly.com/question/14082240