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Kryger [21]
3 years ago
7

What is the value of X?

Mathematics
1 answer:
Feliz [49]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

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Suppose the weekly amount of money spent on maintenance and repairs by a company is NOT approximately normally distributed. Howe
UNO [17]

Answer:

Probability = 0.00621

Step-by-step explanation:

We are given;

Population mean; μ = 400

Population standard deviation; σ = 20

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the probability that the actual costs will exceed the budgeted amount will be the p-value.

Thus, let's first find the z-score after which we will find the p-value.

z = (x¯ - μ)/σ

z = (450 - 400)/20

z = 50/20

z = 2.5

From online p-value from z-score calculator attached, using z = 2.5; one tailed hypothesis; significance level of 0.05, we have;

P-value = 0.00621

8 0
2 years ago
Order the ratios from least to greatest:<br><br> 7:2, 12:4, 20:6, 21:14, 10:5
creativ13 [48]
7:2 least
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2 years ago
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valina [46]

Answer:

y

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x

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y

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x

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28

Step-by-step explanation:

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2 years ago
At the doctor’s office, Martin learns that his heart beats 360 times in 5 minutes.How many does his heart beat per minute?
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To find this answer, just divide 360 by 5 to find out how many times his heart beats in one minute instead of 5. Doing this will give you a final answer of 72 bpm.
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What if angle 6=50 then find angle 11 what would it be how would you do it
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Is there a graph for this problem?
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