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dezoksy [38]
3 years ago
15

Answer and I will give you brainiliest MATH​

Mathematics
2 answers:
Damm [24]3 years ago
8 0
The y intercept is 0. It passes through the origin
Ainat [17]3 years ago
7 0

Answer:

sorry I can't know.

you can ask from your teacher

You might be interested in
275,000,000 written in scientific notation would be
zubka84 [21]

Round to the nearest significant number

275,000,000 = 2.75^8

2.75^8 is your answer

hope this helps

8 0
3 years ago
A nationwide study of American homeowners revealed that 65% have one or more lawn mowers. A lawnequipment manufacturer, located
GenaCL600 [577]

Answer:

z=\frac{0.684 -0.65}{\sqrt{\frac{0.65(1-0.65)}{497}}}=1.589  

p_v =P(z>1.589)=0.056  

If we compare the p value obtained with the significance level assumed \alpha=0.05 we see that p_v>\alpha so we can conclude that we have enough evidence to FAIL to reject the null hypothesis, and we can said that at 5% of significance the proportion of homes in Omaha with one or more lawn mowers is not ignificantly higher than 0.65

Step-by-step explanation:

Data given and notation

n=497 represent the random sample taken

X=340 represent the homes in Omaha with one or more lawn mowers

\hat p=\frac{340}{497}=0.684 estimated proportion of homes in Omaha with one or more lawn mowers

p_o=0.65 is the value that we want to test

\alpha represent the significance level

z would represent the statistic (variable of interest)

p_v represent the p value (variable of interest)  

Concepts and formulas to use  

We need to conduct a hypothesis in order to test the true proportion of homes in Omaha with one or more lawn mowers is higher than 0.65.:  

Null hypothesis:p\leq 0.65  

Alternative hypothesis:p > 0.65  

When we conduct a proportion test we need to use the z statistic, and the is given by:  

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

The One-Sample Proportion Test is used to assess whether a population proportion \hat p is significantly different from a hypothesized value p_o.

Calculate the statistic  

Since we have all the info requires we can replace in formula (1) like this:  

z=\frac{0.684 -0.65}{\sqrt{\frac{0.65(1-0.65)}{497}}}=1.589  

Statistical decision  

It's important to refresh the p value method or p value approach . "This method is about determining "likely" or "unlikely" by determining the probability assuming the null hypothesis were true of observing a more extreme test statistic in the direction of the alternative hypothesis than the one observed". Or in other words is just a method to have an statistical decision to fail to reject or reject the null hypothesis.  

The next step would be calculate the p value for this test.  

Since is a right tailed test the p value would be:  

p_v =P(z>1.589)=0.056  

If we compare the p value obtained with the significance level assumed \alpha=0.05 we see that p_v>\alpha so we can conclude that we have enough evidence to FAIL to reject the null hypothesis, and we can said that at 5% of significance the proportion of homes in Omaha with one or more lawn mowers is not ignificantly higher than 0.65

7 0
3 years ago
Someone please help me i don´t understand........
snow_tiger [21]

Answer:

Step-by-step explanation:

the question is which of the recipes uses the most milk, and then which uses the next most milk.   Maybe the milk is about to expire?  

sooo

Recipe 2 & 3 will use the most  .5 * 1.5= .75 cups  &   1.5 * .25 = .75 cups respectively.  

he can use a total of 1.5 cups of milk.  Not too much  hmmm He needs to make a lot more  :D  

recipe 1 is  1/3 or  .33333333333....

recipe 4 is .25 of 2 =  .5

3 0
3 years ago
Solve the system of equations. y = -5x - 8 y = 4x + 1 a. ( 1, -3) c. ( 3, 1) b. ( -1, -3) d. No solution
iren [92.7K]

Answer:

(-1,-3)

Step-by-step explanation:

The given system of equations is;

y=-5x-8...(1)

and

y=4x+1...(2)

Let us equate the two equations to get;

4x+1=-5x-8

Group similar terms;

4x+5x=-8-1

Simplify;

9x=-9

Divide both sides by 9.

x=-1

Put x=-1, into any of the equations, say (2);

y=4(-1)+1

y=-4+1

y=-3

The solution is;

(-1,-3)

5 0
3 years ago
Read 2 more answers
Round to The nearest hundred 554,695 help
morpeh [17]

Answer:

554,700

Step-by-step explanation:

7 0
3 years ago
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