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Nadya [2.5K]
3 years ago
15

Can you guys teach me how to do this??

Mathematics
1 answer:
Vadim26 [7]3 years ago
4 0

The usual margin of error we strive for is a 95% probability that our estimate is within the margin.   Assuming a normal distribution (and that we have a big enough sample not to worry about t tests) that corresponds to between minus and plus two standard deviations of the mean (remember the 68-95-99.7 rule).   So our margin of error is plus or minus two standard deviations.

Answer: ±2%

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PLEASE HURRY!!!<br> What is the slope of the line in the graph?
Anastasy [175]

slope = change in y/ change in x

select two points on the line

(-4,4)

(0,1)

= (4-1)/(-4-0)

= -3/4

8 0
3 years ago
an old woman sold 38 roses on street corner A and 45 on strete corner b all at the same price. if she sold $124.50 in total, wha
MissTica

Answer: $1.50 per rose

Step-by-step explanation: You add 38 and 45, because you want to find the total of the roses she sold. 38 + 45 = 83. Then you have to divide the total price by how many roses she sold. So, 124.50 / 83 = 1.5. So, it's $1.50 per rose.

4 0
2 years ago
What is the answer?​
7nadin3 [17]

Answer:

x=8.5

Step-by-step explanation:

3 angles of a triangle = 180 degrees

c=45 a=50

180=45+50+b

130=45+b

85=b

b=d

d=85

10x=85

x=8.5

5 0
3 years ago
Determine whether the given procedure results in a binomial distribution. If it is not​ binomial, identify the requirements that
Harlamova29_29 [7]

Answer:

Option C is the correct one

Step-by-step explanation:

The events are independent because you are selecting the students randomly and how much they like rap music does not depend on the results on the other students. However, in each event of the binomial distribution there are two possible outcomes: success and fail. In this experiment there are 10 possible results for each event, therefore the distribution inst binomial. The correct answer therefore is C.

6 0
3 years ago
What are the slope and the y-intercept of the linear function that is represented by the equation Y --10x+1?
Varvara68 [4.7K]

Answer:

The slope is -10, and the y-intercept is 1.

Step-by-step explanation:

Assuming that the equation is y = -10x+1, the easiest way to identify slope and the y-intercept is by knowing the equation for slope-intercept (y = mx+b)

Equation for slope-intercept (y = mx+b) explained:

The equation is y = mx+b, let's break it down.

y = The line

m = The slope

b = The y-intercept

Now that we know the equation and broke it down you can identify them in your equation

Slope (m)= -10

y-intercept = 1

Conclusion: The slope is -10, and the y-intercept is 1.

7 0
3 years ago
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