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Alla [95]
2 years ago
11

Type the correct answer in each box. Use numerals instead of words.

Mathematics
1 answer:
brilliants [131]2 years ago
7 0

Answer:

100 newtons, 20 newtons per second

Step-by-step explanation:

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You buy painting supplies for $12, and you charge $3 per person to paint faces. How many faces will you need to paint to earn $1
Marianna [84]
You will need to paint 9 faces to earn $15 in profit


good luck
4 0
3 years ago
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What basic multiplication fact can help you divide 18÷3?
Temka [501]
D is the answer

18/3= 6

and 6*3= 18

I hope this helps!
6 0
3 years ago
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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

8 0
2 years ago
2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2=
Tomtit [17]

Answer:

48

Step-by-step explanation:

i counted 24 2's and 24 x 2 is 48 also i did the math

3 0
2 years ago
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How many woods are there
nikitadnepr [17]
6 wooden sticks and one long wooden border
so totally 7 wood is there
I think this correct 
3 0
3 years ago
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