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Ksju [112]
3 years ago
13

Not sure how to solve this​

Mathematics
1 answer:
alukav5142 [94]3 years ago
5 0

Answer:

5942

Step-by-step explanation:

you do 5.942 time 10 to the 3rd power and it equals 5942 cause 10 to the 3rd power is 1000 so 1000 time 5.942 equals 5942

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Step-by-step explanation:

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The national average sat score (for verbal and math) is 1028. if we assume a normal distribution with standard deviation 92, wha
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Let X be the national sat score. X follows normal distribution with mean μ =1028, standard deviation σ = 92

The 90th percentile score is nothing but the x value for which area below x is 90%.

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P(Z <z) = 0.9

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The probability that randomly selected score exceeds 1200 is

P(X > 1200)

Z score corresponding to x=1200 is

z = \frac{x - mean}{standard deviation}

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z = 1.8695 ~ 1.87

P(Z > 1.87 ) = 1 - P(Z < 1.87)

Using z-score table to find probability z < 1.87

P(Z < 1.87) = 0.9693

P(Z > 1.87) = 1 - 0.9693

P(Z > 1.87) = 0.0307

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