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slava [35]
2 years ago
7

Pls help me plss im so STUCK AHhH

Mathematics
1 answer:
Leto [7]2 years ago
7 0
I because -9 is the smallest number and |6| is the biggest number.
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Solve for x. Round to the nearest tenth of a degree, if necessary.
monitta

Answer:

  • 49.6°

Step-by-step explanation:

  • tangent = opposite / adjacent
  • tan x = 40/34
  • x = arctan (40/34)
  • x ≈ 49.6°
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the answer would be $160

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If I went to bed at around 1:20 AM, and woke up at 8 AM, around how many hours of sleep did I get?
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Given that z is a standard normal random variable, find z for each situation. The area between 0 and z is .4750. Answer The area
algol13

Answer:

P(0

And solving for z we have

P(Z

And we can find the value for z with the following excel code:

"=NORM.INV(0.975,0,1)"

And we got z =1.96

P(Z>z)= 0.1314

And we can use the complement rule and we got:

P(Z>z) = 1-P(Z

P(Z

And we can find the value for z with the following excel code:

"=NORM.INV(0.8686,0,1)"

And we got z =1.120

P(Z

And we can find the value for z with the following excel code:

"=NORM.INV(0.67,0,1)"

And we got z =0.440

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

We want this probability:

P(0

And solving for z we have

P(Z

And we can find the value for z with the following excel code:

"=NORM.INV(0.975,0,1)"

And we got z =1.96

For the next part we want to calculate:

P(Z>z)= 0.1314

And we can use the complement rule and we got:

P(Z>z) = 1-P(Z

P(Z

And we can find the value for z with the following excel code:

"=NORM.INV(0.8686,0,1)"

And we got z =1.120

For the next part we want to calculate:

P(Z

And we can find the value for z with the following excel code:

"=NORM.INV(0.67,0,1)"

And we got z =0.440

6 0
3 years ago
What are 6 types of rational numbers
poizon [28]

Answer:

3

,

4

,

56

,

−

79

,

82

,

0

Step-by-step explanation:

8 0
3 years ago
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