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3 years ago

7

Which graph represents a function??

2 answers:

Angelina_Jolie [31]3 years ago

8 0

Answer:

To be a function a graph must pass the vertical line test and the only one that does this is the bottom right one.

e-lub [12.9K]3 years ago

6 0

Answer:

Bottom Right

Step-by-step explanation:

A function has only one y value for every x value. The upper left graph has many y values for the x value of 1, the bottom left graph has two y values for each x value and so does the upper right graph. the Bottom right graph is the only option with one y value for every x value.

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1) The probability that an individual is left-handed is 12%. In a randomly selected class of 30 students, what is the probabilit

svlad2 [7]

Answer:

0.2047

0.2377

Step-by-step explanation:

1.

What we have here is a binomial distribution

Probability p = 0.12

N = number of students in the class = 30

Probability of finding 4 left handers

P(x = 4) = 30C4 x (0.12)⁴ x (0.88)²⁶

= 27405 x 0.00020736 x 0.03602047835

= 0.2047

2.

This is also a binomial distribution

N = 10 p = 0.65

P(of 6 knowledgeable fans)

= 10C6 x (0.65)⁶ x (0.35)⁴

= 210 x 0.0754189 x 0.01500625

= 0.2377

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3 years ago

Find the mean of the set of data.<br> 3,2, 9, 3, 8,4,5,8,9, 2

svp [43]

Answer:

5.3

Step-by-step explanation:

To find the mean you must add up all the numbers in the set then divide them by the number of numbers in said set.

8 0

3 years ago

Read 2 more answers

In a class of 28 students, 11 have a brother and 9 have a sister. There are 2 students

zhannawk [14.2K]

Answer:

7%

Step-by-step explanation:

well since only 2 students have both a brother and a sister it would be 2/28

which as a percentage is 0.07142857142 × 100 = 7.14285714286

8 0

2 years ago

Read 2 more answers

In the formula that gives the circumference of a circle, which quantity is

Vinil7 [7]

a (radius)

saddsaasdasd

3 0

3 years ago

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The battery on McKenzies old computer can last 4(1/5) hours. She bought a new computer that has a battery that can last 40% long

Solnce55 [7]

Answer:

$5\frac{22}{25}\ hours$

Step-by-step explanation:

we know that

$4\frac{1}{5}\ hours=\frac{4*5+1}{5}=\frac{21}{5}\ hours$

$100\%+40\%=140\%=\frac{140}{100}$

Let

x ------> new battery life

The equation that represent this situation is

$x=\frac{140}{100} (\frac{21}{5})=\frac{2,940}{500}\ hours$

convert to mixed number

$\frac{2,940}{500}=\frac{2,500}{500}+\frac{440}{500}=5\frac{22}{25}\ hours$

4 0

3 years ago