I need help with this question.
1 answer:
Answer:
Step-by-step explanation:
P(female | junior) *the | just means "given"*
In order to find this, you must know the formula:
P(A | B) =
So first, you have to find P(female and junior):
P(female and junior) = 6
Then, you just identify P(junior):
P(junior) = 2 + 6 = 8
Therefore, P(female | junior) = 6/8 (or 3/4), or 75%
Hope I helped!
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Answer:
The statistic for this system of hypothesis is given by:
If the statistic is equal to 1 then that means and we don't have enough evidence to conclude that the two population variances and deviations are different.
Step-by-step explanation:
System of hypothesis
We want to test if the variation for a group1 is equal to another one 2, so the system of hypothesis are:
H0:
H1:
Calculate the statistic
The statistic for this system of hypothesis is given by:
If the statistic is equal to 1 then that means and we don't have enough evidence to conclude that the two population variances and deviations are different.