The answer is k=8 (4,6/8,7/12,8)
Answer:
33.11
Step-by-step explanation:
Use the pythagorean theorem. 30^2 + 14^=z
Answer:
b. CHISQ.TEST
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"
The statistic is given by:

In order to calculate the p value we need to have in count the degrees of freedom , on this case
. And we can calculate the p value would be given by:
But the correct comand is given by:
b. CHISQ.TEST(Actual range, Expected range)
We just need to put in one column the Observed values and in other the expectec values.
Answer:

Step-by-step explanation:
Given
Quadratic equation is

Roots of the quadratic equation
are

So, for the given equation roots are

For those unaware of what this means
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