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cluponka [151]
3 years ago
6

What is the area of a parallelogram with a base of 20 cm and a height of 12 cm?

Mathematics
1 answer:
AURORKA [14]3 years ago
6 0
62.8cm^2 I think that's the answer 
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Assume the readings on thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. Find the pro
lisov135 [29]

Answer:

0.0326 = 3.26% probability that a randomly selected thermometer reads between −2.23 and −1.69.

The sketch is drawn at the end.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 0°C and a standard deviation of 1.00°C.

This means that \mu = 0, \sigma = 1

Find the probability that a randomly selected thermometer reads between −2.23 and −1.69

This is the p-value of Z when X = -1.69 subtracted by the p-value of Z when X = -2.23.

X = -1.69

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

Z = \frac{-1.69 - 0}{1}

Z = -1.69

Z = -1.69 has a p-value of 0.0455

X = -2.23

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

Z = \frac{-2.23 - 0}{1}

Z = -2.23

Z = -2.23 has a p-value of 0.0129

0.0455 - 0.0129 = 0.0326

0.0326 = 3.26% probability that a randomly selected thermometer reads between −2.23 and −1.69.

Sketch:

3 0
3 years ago
1) Create a box plot comparing the score of the boyd and girls as best you can
Umnica [9.8K]

Answer:

dk man

Step-by-step explanation:

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2 years ago
650ft squared divided by 2/3 hour
AleksAgata [21]
4.24 is the answer I believe,
4 0
3 years ago
HELP PLEASE thank you
prohojiy [21]

Answer:

3 books

Step-by-step explanation:

She can carry 3 books in her backpack, this is because 1lb+3lb= 4

and if one book = 2lb each. Then 10-4 =6

so she has 6lb space remaning.

so 6lb divided by 2 = 3

8 0
2 years ago
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