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Anuta_ua [19.1K]
3 years ago
7

A movie cost $3,254,107 to produce. which digit in the hundred thousands  place ?

Mathematics
2 answers:
telo118 [61]3 years ago
5 0
3.254.107 \to \boxed{2}-\ digit \ wich \ is \ on \ the \ place \ of \ hundred \ thousands
nekit [7.7K]3 years ago
3 0
The hundred thousand place is the number that is 6 times to the right of the decimal:

In this case that number is 2
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What is the sum of the first 10 terms in the geometric sequence -3 6 -12 24 -48
vlada-n [284]
Use the formula for the sum of a geometric sequence:
Sum = (a(r^n - 1))/(r - 1)
where a is the first term, -3
r is the common ratio, -2
and n is the number of terms

Thus,
Sum = ((-3)((-2)^10 - 1))/(-2-1) = 1023
3 0
3 years ago
Suppose a local manufacturing company claims their production line has a variance of less than 9.0. A quality control engineer d
Alexxx [7]

Answer:

\chi^2 =\frac{35-1}{9} 2.12^2 =16.979

p_v =P(\chi^2

If we compare the p value and the significance level provided we see that p_v so on this case we have enough evidence in order to reject the null hypothesis at the significance level provided. And that means that the population variance is significantly lower than 9

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=35 represent the sample size

\alpha=0.01 represent the confidence level  

s =2.12 represent the sample deviation obtained

\sigma_0 =3 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 lower than 9 and the deviation lower than 3, so the system of hypothesis would be:

Null Hypothesis: \sigma^2 \geq 9

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{35-1}{9} 2.12^2 =16.979

Calculate the p value

In order to calculate the p value we need to have in count the degrees of freedom , on this case df= n-1= 35-1=34. And since is a left 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:

"=CHISQ.DIST(16.979,34,TRUE)"

Conclusion

If we compare the p value and the significance level provided we see that p_v so on this case we have enough evidence in order to reject the null hypothesis at the significance level provided. And that means that the population variance is significantly lower than 9

6 0
3 years ago
A coin contains 999 grams of nickel and 161616 grams of copper, for a total weight of 252525 grams.
ale4655 [162]
64% because (161616/252525)(100)
4 0
3 years ago
write a real world situation that can be represented by 15 + c = 17.50. Then solve the equation and describe what your answer re
Nana76 [90]
15+c=17.50 First you subtract 15 by 15 because you switch operations from adding to subtracting then you would put C under it Second subtract 17.50 and 15 and that is 2.50 so C= 2.50
3 0
3 years ago
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Question 3 Unsaved
sweet-ann [11.9K]
The degree is indicated by the highest exponent in the polynomial.  That degree is a 2.  And since we have only 1 term in this "polynomial", it is then a second degree monomial.  Third choice down.
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