What is the mean of 4,6,7,7,11,12,15,18,20
2 answers:
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Answer:
Step-by-step explanation:
<u><em>First time drawing:</em></u>
Total outcome is 8
Favorable outcome is 2
The probability that the first marble drawing in random is blue is
=
<u><em>Second time drawing (with no replacement): </em></u>
Total outcome is 7 (8 - 1 = 7)
Favorable outcome is 2
The probability that the second marble drawing in random is yellow is
<em>The probability that the first marble is blue and the second marble is yellow is</em> ×
=
=
Answer:
2 weeks
Step-by-step explanation:
y = mx + b
y = total number of chapters read =
m = number of chapters read per week =
x = number of weeks = what we're solving for
b is not needed to find this solution
=
x divide
from both sides
x = 2 weeks