Answer:pts
Solve -11 2/3 * (-4 1/5)=49
Step-by-step explanation:
do whatever is in parentheses first
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Answer:
Point Z
Step-by-step explanation:
Since the scale is one, first you go 0.5 to the left (-0.5 X) then you go 0.75 up (0.75 Y) then you have your answer.
Answer:
(a) 0.119
(b) 0.1699
Solution:
As per the question:
Mean of the emission,
million ponds/day
Standard deviation,
million ponds/day
Now,
(a) The probability for the water pollution to be at least 15 million pounds/day:


= 1 - P(Z < 1.178)
Using the Z score table:
= 1 - 0.881 = 0.119
The required probability is 0.119
(b) The probability when the water pollution is in between 6.2 and 9.3 million pounds/day:



P(Z < - 0.86) - P(Z < - 1.96)
Now, using teh Z score table:
0.1949 - 0.025 = 0.1699
1 cm 3 cm
--------- = ---------
3 in x inches
The ratio has to stay in the same order cm on top, inches on the bottom
Choice C
D : because this make so much since duh . && watch yuu get it right !