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lukranit [14]
2 years ago
8

.Janie is analyzing a quadratic function f(x) and a linear function g(x). Will they intersect?

Mathematics
2 answers:
SVETLANKA909090 [29]2 years ago
8 0

Answer:

No, they will not intersect

(I just took this quiz)

Alecsey [184]2 years ago
4 0
<span>the answer is ,Yes, at negative and positive x-coordinates. </span>
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Hypothesis Testing for Means with Small Samples
Scorpion4ik [409]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is

X: volume of root beer in a Windsor Bottling Company can.

A sample of n=24 cans was taken and their contents measured, resulting:

X[bar]= 11.4 oz

S= 0.62 oz

Assuming that the variable has a normal distribution X~N(μ;σ²), the parameter of interest is the average contents of the root beer cans of the Windsor Bottling Company (μ)

The claim is that the population mean content of the cans is different from 12 oz, symbolically: μ ≠ 12

The statistical hypothesis (Null and alternative) have to be complementary, exhaustive and mutually exclusive. The null hypothesis is the "no change" hypothesis and always carries the "=" sign.

If the claim is μ ≠ 12, its complement is μ = 12, the expression carrying the "=" sign will be the null hypothesis and its complement will be the alternative hypothesis:

H₀: μ = 12

H₁: μ ≠ 12

α: 0.05

To test the population mean of this normal population, you have to apply a one sample t-test, with statistic:

t= \frac{X[bar]-Mu}{\frac{S}{\sqrt{n} } } ~t_{n-1}

t_{H_0}= \frac{11.4-12}{\frac{0.62}{\sqrt{24} } } = -4.74

This test is two-tailed, using the critical value approach, you have to determine two rejection regions. Meaning, you'll reject the null hypothesis to small values of the statistic or to high values of the statistic.

t_{n-1;\alpha /2}= t_{23;0.025}= -2.069

t_{n-1;1-\alpha /2}= t_{23;0.975}= 2.069

The decision rule is:

If t_{H_0} ≤ -2.069 or if t_{H_0} ≥ 2.069, then you reject the null hypothesis.

If -2.069 < t_{H_0} < 2.069, then you do not reject the null hypothesis.

The value is less than the left critical value, the decision is to reject the null hypothesis.

Then you can say that with a 5% significance level, there is significant evidence to reject the null hypothesis, then the average amount of root beer of the Windsor Bottling Company is different from 12 oz, this means that the claim about the amount of root beer in the cans is correct.

I hope it helps!

6 0
3 years ago
Daisy has a marble collection in her room the ratio of blue marbles to red marbles are 4 : 7 if she has 24 blue marbles how many
Masteriza [31]

Answer:

The answer is 24:42

Step-by-step explanation:

All you have to do is multiply 7 by 6 because for every red marbles there are 6 marbles.

Hopes this helps!!

4 0
2 years ago
Read 2 more answers
The blue figure is a translation of the black image. Write a rule to describe the translation.
4vir4ik [10]

it has gone up 4 lines and left -2 making it go for a (4,-2)

5 0
3 years ago
What 2 numbers multiplied equal -24 but also add up to 5
Elena L [17]

8 and -3 multiply to -24 and add up to 5

3 0
2 years ago
I need help please on this question. What is the large sector?
Marta_Voda [28]

Answer:

the right answer is 25 thats all u need to type in keep up the good work

Step-by-step explanation:

5 0
3 years ago
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