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stich3 [128]
4 years ago
7

For normal distribution with mean μ = 400 and standard deviation σ = 100 find probability that x is greater than 619: p(x > 6

19)

Mathematics
1 answer:
denis23 [38]4 years ago
3 0
A suitable calculator shows p(x > 619) ≈ 1.43%.

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Help me please and thank you!
lorasvet [3.4K]

Answer:

-4/3

Step-by-step explanation:

-2 - 1 is -3

6-2 is 4

6 0
3 years ago
6- Nov 19 P1 #
denis23 [38]

Answer:

a=14

b=6

c=5

Step-by-step explanation:

x-6\sqrt{x}  + 4 = 0

x +4 =6\sqrt{x}

x^2 + 8x + 16 = 36x

x^2 - 28x + 16 = 0

14 ±6\sqrt{5}  

 

4 0
3 years ago
The battalion covered 20 kilometers in 4 hours through the marsh. When the terrain changed, their speed was tripled. How many ki
mariarad [96]

Brainliest pls?

Answer:

They could cover 90 kilometres in 6 hours, after the terrain changed.

Step-by-step explanation:

Their speed, when they were traversing through the marsh, is:

speed = distance/time

s = 20 km / 4hr

s = 5 kmph

If their speed tripled, then it will be: 5*3 = 15 kmph

distance = speed * time

d = 15 km/h * 6h

d = 90 km

They could cover 90 kilometres in 6 hours, after the terrain changed.

6 0
3 years ago
Simplify.
natima [27]
Its 2y+7z hope dis helps
5 0
3 years ago
Read 2 more answers
Can someone help with this question. Please show your work, thanks!
julsineya [31]
X / 90 = 100/36

36x = 9000
x = 9000/36
x = 250 feet
3 0
4 years ago
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