rubydelgado
11.09.2019 •
Mathematics
Find the equation of the line : passing through (-2,1) and perpendicular to 4x + 7y + 3 = 0
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Ответ:
jksdl
Step-by-step explanation:
Ответ:
given that the chosen student is a female, the probability that the student chose invisibility as their superpower is 2/3 or 0.67
Step-by-step explanation:
Here we have a question on conditional relative frequency;
Males Females Total
Fly 30 10 40
Invisibility 12 32 44
Other 10 6 16
Total 52 48 100
Given that the chosen student is a female, the probability that the student chose invisibility as their superpower is found as follow;
Hence we look for the conditional relative frequency of the second row forr females corresponding to invisibility as their preferred super power is therefore;
Conditional relative frequency =
Conditional relative frequency = 2/3
Therefore, given that the chosen student is a female, the probability that the student chose invisibility as their superpower = 2/3.