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OLga [1]
2 years ago
13

Complete the two-way frequency table below, which shows the relationship between adults' gender and whether these adults buy a t

ruck or a car for their first new vehicle. From a sample of 94 adults, the following data are collected:
Truck Car Total
Female 9 36
Male 18 31
Total 94

What is the probability (rounded to the nearest whole percent) that an adult will buy a car, given that he is a male? Are the events being male and buying a car independent? (1 point)

63%; they are dependent
46%; they are dependent
63%; they are independent
33%; they are independent
Mathematics
2 answers:
Levart [38]2 years ago
4 0
64% they are independent
melomori [17]2 years ago
3 0

I will come back to this question when it has been further clarified.

(Honestly I just really need to delete this answer since I misread the question but it doesn't give me an option to delete it).

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Licemer1 [7]

Answer:

8/125 ft

Step-by-step explanation:2/5 x 2/5 x 2/5 = 8/125

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Approximate π + √70 to the nearest hundredth.<br><br> 8.37<br> 11.14<br> 11.51<br> 12.14
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Answer:

The answer would be 11.51

Step-by-step explanation:

π is rougroughly 3.14

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What is 12x – 20 – 5(x – 3)?
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Answer:

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Step-by-step explanation:

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Vadim26 [7]
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3 years ago
Which statements about these two functions are true? Select the TWO that apply. Function A is a linear function and Function B i
KengaRu [80]

Answer:

Function A is a linear function and Function B is a nonlinear function

Function A has a positive rate of change

Step-by-step explanation:

<u><em>Verify each statement</em></u>

Option 1) Function A is a linear function and Function B is a nonlinear function

The statement is True

Because

Function A

The function A represent a proportional relationship that can be expressed in the form

Find the value of k

For x=1, y=5 ----> k=\frac{5}{1}=5

For x=2, y=10 ----> k=\frac{10}{2}=5

For x=3, y=15 ----> k=\frac{15}{3}=5

so

y=5x

The graph is a straight line

therefore

Function A represent a linear function

Function B

we have

y=4x^2+2

This is a quadratic equation (vertical parabola open upwards)

The graph is a curved line

therefore

Function B represent a nonlinear function, because the graph is not a straight line

Option 2) Function B has two y-intercepts at (0, 2) and (0, –2)

The statement is False

Because

The y-intercept is the value of y when the value of x is equal to zero

so

For x=0

y=4(0)^2+2=2

Therefore

The function B has only one y-intercept at (0,2)

Option 3) Function A has a positive rate of change.

The statement is True

Because

The rate of change of the function A is equal to the slope

The slope of the function A is m=5

Is a increasing function

As x increases the value of y increases

As x decreases the value of y decreases

Option 4) Function B has a negative rate of change

The statement is False

Because

To find the average rate of change, we divide the change in the output value by the change in the input value

we have

y=4x^2+2

Is a vertical parabola open upward

The vertex of the function B is the point (0,2)

For the domain ----> (-∞,0)

The function is decreasing ( the rate of change is negative)

For the domain ----> (0,∞)

The function is increasing ( the rate of change is positive)

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