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Westkost [7]
2 years ago
10

PLSSSSSSS HELPPPPPP!!!!! I GIVE BRAINLESSSS PLZZZ!!!!

Mathematics
1 answer:
VARVARA [1.3K]2 years ago
8 0

Answer:57 R3

Step-by-step explanation:

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The lengths of a particular snake are approximately normally distributed with a given mean mc025-1.jpg = 15 in. and standard dev
Vedmedyk [2.9K]

Answer:

<em>2.5%</em><em> of the snakes are longer than 16.6 in</em>

Step-by-step explanation:

The Z score is,

Z=\dfrac{X-\mu}{\sigma}

here,

X = raw score = 16.6

μ = mean = 15

σ = standard deviation = 0.8

So,

Z=\dfrac{16.6-15}{0.8}=2

Z-score is the measurement of how many standard deviation away the data is from the mean. Hence, the value 16.6 is 2 standard deviations right to the mean.

Approximately 95% of the data falls within two standard deviations of the mean. (between the mean-2 times the standard deviation, and the mean+2 times the standard deviation)

So the 5% of data are left in the remaining space. As we have to find the amount of snakes which are longer than 16.6 in i.e we have to find the area to the right of 16.6.

The remaining 5% of amount is divided in two equal parts.

Therefore, \dfrac{5}{2}=2.5\% of the snakes are longer than 16.6 in

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Please answer question
aliina [53]

Answer:

<h2>           V = 28 mm³    </h2>

Step-by-step explanation:

Base is right triangle, so:

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V = ¹/₃•B•H

V = ¹/₃•12•7 = 4•7 = 28 mm³

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In the figure shown, line AB is parallel to line CD. Part A: What is the measure of angle x? Show your work. (5 points) Part B:
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120 degrees

Step-by-step explanation:

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To find probability, divide the number of times an event happens by the number of trials.

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Would you rather buy 18 eggs 2/8.00 or 18 eggs for 97c each
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18 eggs for 97 cents.

Step-by-step explanation:

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