Answer:
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Step-by-step explanation:
5 + 3 = 2/7p - 115 + 3 = 2p/7 - 11
8 = 2p/7 - 11
8 + 11 = 2p/7
19 = 2p/7
19 × 7 = 2p
133 = 2p
133/2 = p
p = 133/2
The answer is: p = 133/2 or p = 66.5.
To solve for x first move all the x to one side and the numbers to the other side.
-2x+3=-4/9x-1
Add 1 to both sides
-2x+4=-4/9x
Add -2x to both sides
4=-4/9x+2x
Get common denominators to combine the x
4=-4/9x+18/9x
4=14/9x
Multiply by 9 and divide by 14 to both sides.
4*9/14=x
36/14=x 18/7=x
9514 1404 393
Answer:
Step-by-step explanation:
Horizontally the table values total the number in the first column.
first row missing table value = 700 -665 = 35
second row missing table values = 300 -240 = 60
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The conditional probability formula applies.
P(contains | positive) = P(contains & positive)/P(positive)
The probability associated with each table entry is that value divided by 1000. Then the numbers in the formula are ...
P(contains | positive) = .665/(.665+.060) = .665/.725 ≈ 91.7%
