on average the number of electric guitars sold in texas each year is $91,399, which is seven times the average number of guitars sold each year in Wyoming. How manu electric guitars, on average, are sold each year in Wyoming?

Answers

Answer 1

Answer:

The average electric guitars sold each year in Wyoming is 13,057.

What is Multiplication?

Multiplication of two numbers is defined as the addition of one of the number repeatedly until the times of the other number.

a × b means that a is added to itself b times or b is added to itself a times.

Given that,

on average the number of electric guitars sold in Texas each year is $91,399, which is seven times the average number of guitars sold each year in Wyoming.

Average number of guitars sold each year in Texas = 91,399

This number is seven times the average number of guitars sold each year in Wyoming.

Let x be the average number of guitars sold in Wyoming each year.

7x = 91,399

Dividing both sides of the equation by 7,

x = 91399 / 7

x = 13,057

Hence 13,057 electric guitars are sold each year in Wyoming.

Learn more about Multiplication here :

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Answer 2

Answer: 7x = 91399
x = 91399/7
x = 13057 <===

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A manufacturer claims that only 1% of their computers are defective, but in a sample of 600 3% were found to be defective. If the 1% claim were true there would be less than 1 chance in 1000 of getting this number of defects in the sample. Is there statistically significant evidence against the manufacturer's claim? Why or why not?No, because the difference between a 1% and a 3% defect rate is insignificant.

Yes, because the source of the data was unbiased.

Yes, because the results are unlikely to occur by chance.

No, because the sample size was too small to reach a conclusion.

Answers

Answer:

Step-by-step explanation:

Here population parameter p= 1% = 0.01

But sample proportion = 0.03

Sample size = n=600

Std error of the sample = $\sqrt{(pq)/(n) } =\sqrt{(0.1(0.9))/(600) } \n=0.01225\n$

Let us assume significance level as 5%

For proportion z critical for 95% is 1.96

Margin of error = 1.96(std error) = 0.024

Conf interval for proportion lower bound = 0.01-0.024 =- 0.014

Upper bound = 0.01+0.024 = 0.124

Thus conf interval (-0.014, 0.124)

Our sample proportion is 0.03 which does not lie within this interval.

Hence we conclude that

Yes, because the results are unlikely to occur by chance.

Answer:

Yes, because the results are unlikely to occur by chance.

Step-by-step explanation:

We have to remember that when dealing with statistics the larger the sample we are taking, the more the results will tend to the statistical reality, for example, if we flip a coin, the chances or statistics are 50%-50% but if we only toss it two times, theres a singnificant chance that it could be 100% tails, the more we continue to toss the coin, the closer we will get to the 50-50, here we have a really large sample of 600 computers, where 3% of them were defective, so we can assure that it wasn´t by chance, because an increase of 2% on the percetange of the defective devices from the ideal to the reality is not by chance.

Name the slope and one point that is on the linerepresented by the equation: x = -2
A) m = undefined and point (-2,5)
B) m = 0 and point (-2,4)
C) m = undefined and point (5,-2)
D) = zero and point (5,0)

Answers

Answer: Choice A

m = undefined

point (-2,5)

==================================================

Explanation:

The equation x = -2 describes a vertical line in which every point on this line has x coordinate -2. Two points on this line are (-2,0) and (-2,1)

Another point on this line is (-2,5) since this also has x coordinate -2.

------------------

All vertical lines have undefined slope.

Let's pick two points such as (-2,0) and (-2,1) and find the slope through them

m = (y2-y1)/(x2-x1)

m = (1-0)/(-2-(-2))

m = (1-0)/(-2+2)

m = 1/0

m = undefined, since we cannot divide by zero.

Find all the missing angles:57
72
3
4
72
51
57
123
18
39
Column 7
Measure
of angle 1
Measure
of angle 2
Measure
of angle 3
of angle 4

Answers

Step-by-step explanation:

this is the answer in the picture

Solve the literal equation for y
3=5x+6y

Answers

Answer:

y=1/2-5x/6

Step-by-step explanation:

Answer:

y=1/2-5x/6

if this is helpful than good job

What is the value of y when x equals 10 (y=2x+1)

Answers

Answer:

y= 21

Step-by-step explanation:

2*10+1= y

20+1= 21

y = 21

Mr. Gordon has 13 girls and 14 boys in his fourth period algebra class. One person is chosen at random.What is the probability that the person chosen is a boy?
A. 1/14
B. 1/27
C. 13/14
D. 13/27
E. 14/27