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ELEN [110]
2 years ago
12

Can someone help me ASAP please. I'll give extra points if right fr

Mathematics
1 answer:
9966 [12]2 years ago
6 0

Answer:

y = -1/4x + -6

Step-by-step explanation:

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The wildlife department has been feeding a special food to rainbow trout fingerlings in a pond. based on a large number of obser
Liono4ka [1.6K]
The normal distribution curve for the problem is shown below

We need to standardise the value X=405.5 by using the formula

z-score= \frac{X-Mean}{Standard Deviation}
z-score= \frac{405.5-402.7}{8.8} =0.32

We now need to find the probability of z=0.32 by reading the z-table

Note that z-table would give the reading to the left of z-score, so if your aim is to work out the area to the right of a z-score, then you'd need to do:

P(Z\ \textgreater \ z)=1 - P(Z\ \textless \ z)

from  the z-table, the reading P(Z\ \textless \ 0.32) gives 0.6255

hence, 
P(Z\ \textgreater \ 0.32)=1-0.6255=0.3475

The probability that the mean weight for a sample of 40 trout exceeds 405.5 gram is 0.3475 = 34.75%

7 0
3 years ago
What is the quotient?
tangare [24]
You could answer this question easily by applying synthetic division:
     _______________
-5 /    4        14        -9
                  -20       30
    ---------------------------
         4         -6         21
4 0
2 years ago
What is 1 + 1 ????<br><br><br> thank you next (;
Step2247 [10]

Answer: 2

Step-by-step explanation:

1 + 1 = 2

5 0
3 years ago
Read 2 more answers
6. Jason's class projects are graded on a scale of 250 points.
Nady [450]

Answer:

Step-by-step explanation:don’t kno

6 0
3 years ago
What is the answer to 4/5 + 5/12
alina1380 [7]

80

Answer:

Step-by-step explanation:

7 0
3 years ago
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