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liberstina [14]
3 years ago
15

True or false ? Euclidean geometry is based on the postulates of Euclid

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
5 0

the answer is true, euclidean geometry is based on the postulates of Euclid


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I highly assume that it should be C. Line 3
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7/10 divided by -2/5
Lesechka [4]

\frac{7}{10}:\frac{-2}{5}=\frac{7}{10}*\frac{-5}{2}=\frac{-35^{(5}}{20}= \frac{-7}{4}

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X - 3 &gt;7<br><br> Quick pls answer
tamaranim1 [39]

Answer:

x > 10

Step-by-step explanation:

x-3 > 7

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The University of Washington claims that it graduates 85% of its basketball players. An NCAA investigation about the graduation
Nonamiya [84]

Probabilities are used to determine the chances of events

The given parameters are:

  • Sample size: n = 20
  • Proportion: p = 85%

<h3>(a) What is the probability that 11 out of the 20 would graduate? </h3>

Using the binomial probability formula, we have:

P(X = x) = ^nC_x p^x(1 - p)^{n -x}

So, the equation becomes

P(x = 11) = ^{20}C_{11} \times (85\%)^{11} \times (1 - 85\%)^{20 -11}    

This gives

P(x = 11) = 167960 \times (0.85)^{11} \times 0.15^{9}

P(x = 11) = 0.0011

Express as percentage

P(x = 11) = 0.11\%

Hence, the probability that 11 out of the 20 would graduate is 0.11%

<h3>(b) To what extent do you think the university’s claim is true?</h3>

The probability 0.11% is less than 50%.

Hence, the extent that the university’s claim is true is very low

<h3>(c) What is the probability that all  20 would graduate? </h3>

Using the binomial probability formula, we have:

P(X = x) = ^nC_x p^x(1 - p)^{n -x}

So, the equation becomes

P(x = 20) = ^{20}C_{20} \times (85\%)^{20} \times (1 - 85\%)^{20 -20}    

This gives

P(x = 20) = 1 \times (0.85)^{20} \times (0.15\%)^0

P(x = 20) = 0.0388

Express as percentage

P(x = 20) = 3.88\%

Hence, the probability that all 20 would graduate is 3.88%

<h3>(d) The mean and the standard deviation</h3>

The mean is calculated as:

\mu = np

So, we have:

\mu = 20 \times 85\%

\mu = 17

The standard deviation is calculated as:

\sigma = np(1 - p)

So, we have:

\sigma = 20 \times 85\% \times (1 - 85\%)

\sigma = 20 \times 0.85 \times 0.15

\sigma = 2.55

Hence, the mean and the standard deviation are 17 and 2.55, respectively.

Read more about probabilities at:

brainly.com/question/15246027

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2 years ago
Find the slope and intercepts of the line, 5x-6y=30.
soldi70 [24.7K]
The slope is 5/6.
The x-intercept is (6, 0)
The y-intercept is (0, -5)
5 0
3 years ago
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