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Liula [17]
2 years ago
10

Helppp is this the right answer ?!!!

Mathematics
1 answer:
Anna [14]2 years ago
3 0

Answer:

yup

Step-by-step explanation:

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Teacher's salaries in Georgia are normally distributed with an average salary of $52,000 with a standard deviation of $12,000. W
suter [353]

Answer:

81.85%

Step-by-step explanation:

We have the following information:

mean = m = 52000

standard deviation = sd = 12000

a = 40000

b = 76000

we need to find the probability between a and b, that is:

P (a <x <b) = P (40,000 <x <76000)

P [(40000 - m) / sd <(x - m) / sd <(76000 - m) / sd]

replacing

P [(40000 - 52000) / 12000 <z <(76000 - 52000) / 12000]

P (-1 <z <2)

P (z <= -1) - P (z <= 2)

We look for this value of z, in the attached table:

0.9772 - 0.1587

P = 0.8185

In other words, the probability is 81.85%

8 0
2 years ago
Solve the literal equation for y. 2x-4y=20
Phoenix [80]
2x -4y=20
-4y=-2x+20
Y= 1/2x - 5 that’s the answer
3 0
3 years ago
Read 2 more answers
a jewler buys a ring from an artisan for 85$. He sells the ring at his store at 135% increase in price. What is the retail price
ELEN [110]
<span>A jeweler buys a ring from an artisan for 85$. He sells the ring at his store at 135% increase in price. What is the retail price? PLEASE SHOW UR WORK!!!

1.35(</span><em>135%</em><span>) x  85( <em>the price it was bought for</em>)

= $114.75


</span>
4 0
2 years ago
Can you help me please here is the image
erica [24]

Answer:

f=u+2

Step-by-step explanation:

math

7 0
2 years ago
What is 502.08 + 1.6?
VladimirAG [237]
503.68 is the correct answer
4 0
1 year ago
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