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timama [110]
3 years ago
6

Help ME pls.............

Mathematics
2 answers:
azamat3 years ago
4 0

Answer:

not sure how this is math

olga2289 [7]3 years ago
3 0

Answer:

Keep your head up king/queen

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3 years ago
Suppose ACT Reading scores are normally distributed with a mean of 21.3 and a standard deviation of 5.9. A university plans to a
Mekhanik [1.2K]

Answer:

30.0

Step-by-step explanation:

Given our data is normally distribute with \mu=21.3 and \sigma=5.9

-Top 7% is given by find the z-value corresponding to p=(1-0.07)=0.93

-We substitute our values in the equation below;

z=\frac{\bar X-\mu}{\sigma}\\\\\\=\frac{X-21.3}{5.9}, z_{0.035}=1.476\\\\\therefore 1.476=\frac{X-21.3}{5.9}\\\\X=5.9\times 1.476+21.3\\\\=30.0084\approx30.0

Hence, the minimum score required for the scholarship is 30.0

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3 years ago
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umka2103 [35]

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5 0
3 years ago
What is the subscript fro nitrogen in hydrazine n2h4 2 N H 4
ololo11 [35]

The subscript for nitrogen in hydrazine, N2H4 is 2.

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Find the exact value of sin 30 degrees
Juli2301 [7.4K]

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\sin( 30 )  =  \frac{1}{2}  = 0.5

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