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lorasvet [3.4K]
2 years ago
13

Does anyone know this one I will give 25 points

Mathematics
1 answer:
guajiro [1.7K]2 years ago
3 0

Answer:

C

Step-by-step explanation:

I think, I’m not so sure.. But if I am correct, the table shows capable coordinates.

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Find the probability that an SRS of 36 babies will have an average birthweight of over 3.9 kg. Write your answer as a decimal. R
Jlenok [28]

Complete question :

The birthweight of newborn babies is Normally distributed with a mean of 3.96 kg and a standard deviation of 0.53 kg. Find the probability that an SRS of 36 babies will have an average birthweight of over 3.9 kg. Write your answer as a decimal. Round your answer to two places after the decimal

Answer:

0.75151

Step-by-step explanation:

Given that :

Mean weight (m) = 3.96kg

Standard deviation (σ) = 0.53kg

Sample size (n) = 36

Probability of average weight over 3.9

P(x > 3.9)

Using the z relation :

Zscore = (x - m) / (σ / √n)

Zscore = (3.9 - 3.96) / (0.53 / √36)

Zscore = - 0.06 / 0.0883333

Zscore = −0.679245

Using the Z probability calculator :

P(Z > - 0.679245) = 0.75151

= 0.75151

3 0
3 years ago
In a wildlife park, there were 18 gray wolves. After three years, there were 27 gray wolves. What is the percent gain?
natulia [17]
27-18=9 (difference between)
9/18=0.5 (9 as a percentage of original as a decimal)
0.5x100=50 (as a percentage)

50% increase
4 0
2 years ago
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−5/9x+3.2=5 please help !!!
Lemur [1.5K]
The answer is -3.24
7 0
2 years ago
Read 2 more answers
Can someone help me please
fredd [130]
The answer to that is C.
6 0
2 years ago
A teacher is organizing her school supllies. she noticed that for every 2 pencils she has 7 pens. If she has 35 pens how many pe
Liula [17]

Answer:

10

Step-by-step explanation:

because 7÷35 =5 but that would be for only one pencil so if u multiply that 5×2 it would be 10 pencils

6 0
2 years ago
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