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gayaneshka [121]
3 years ago
9

What is the y intercept of the linear equation x

Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0
0,0 is the equation of the y intercept
spin [16.1K]3 years ago
4 0

x isn't a linear equation, it's just a variable or an expression or a letter of the alphabet.

x = 0 is a linear equation and is a line in the Cartesian plane. In fact, it's the y axis itself.

So every point on the line x=0 is a y intercept.

There is no "the" y intercept, no unique y intercept.

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Claim: The standard deviation of pulse rates of adult males is less than 11 bpm. For a random sample of 132 adult​ males, the pu
seraphim [82]

Answer:

\chi^2 =\frac{132-1}{121} 114.49 =123.952

Step-by-step explanation:

Notation and previous concepts

A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"

n=132 represent the sample size

\alpha represent the confidence level  

s^2 =10.7^2 =114.49 represent the sample variance obtained

\sigma^2_0 =11^2=121 represent the value that we want to test

Null and alternative hypothesis

On this case we want to check if the population variance specification is violated, so the system of hypothesis would be:

Null Hypothesis: \sigma^2 \geq 121

Alternative hypothesis: \sigma^2

Calculate the statistic  

For this test we can use the following statistic:

\chi^2 =\frac{n-1}{\sigma^2_0} s^2

And this statistic is distributed chi square with n-1 degrees of freedom. We have eveything to replace.

\chi^2 =\frac{132-1}{121} 114.49 =123.952

Calculate the p value

In order to calculate the p value we need to have in count the degrees of freedom , on this case 131. And since is a right tailed test the p value would be given by:

p_v =P(\chi^2

In order to find the p value we can use the following code in excel:

"=1-CHISQ.DIST(123.952,131,TRUE)"

5 0
3 years ago
To make 100g of jam, you need 57g of strawberries, 17g of blackberries and the rest should be sugar.
kherson [118]

Answer:

26 : 17

Step-by-step explanation:

3 0
3 years ago
I need help on 2 and 3​
Andrej [43]

Answer: number 2 is 2795 and I can not see the other sorry please tap the heart and 5 stars again sorry

Step-by-step explanation:

5 0
3 years ago
When five is subtracted from
maxonik [38]

Hope it helps u mate.......

7 0
2 years ago
I want to know this 50 minutes after 1
fenix001 [56]
1:00 plus 0:50 is 1:50
5 0
3 years ago
Read 2 more answers
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