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atroni [7]
3 years ago
7

What is the quotient for 18/1000

Mathematics
2 answers:
8_murik_8 [283]3 years ago
5 0


well the quotient means the answer to a division, so in this case:

18 ÷ 1000 = 0.018

Taya2010 [7]3 years ago
5 0
THE ANSWER IS 0.18.THE REASON WHY ITS 0.18 BECAUSE 100 GOES TO 18 ZERO TIMES.ADD A DECIMAL POINT TO 18 TO LOOK LIKE 18.0.BRING THE ZERO DOWN BECAUSE 100 CAN GO TO 180 ONE TIME. SUBTRACT 180 AND 100 YOU GET 80. PUT ANOTHER ZERO TO 80 YOU GET 800 .100 CAN GO TO 800 8 TIMES.SO 0.18 IS YOUR QUOTIENT!
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3 years ago
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Answer:

k = 13.5

Step-by-step explanation:

Setup proportion and solve for k:

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Suppose the standard deviation of a normal population is known to be 3, and H0 asserts that the mean is equal to 12. A random sa
blagie [28]

Answer:

z=\frac{12.95-12}{\frac{3}{\sqrt{36}}}=1.9  

p_v =P(z>1.9)=0.0287  

If we compare the p value and the significance level given \alpha=0.05 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, so we can conclude that the true mean is higher than 12 at 5% of signficance.  

Step-by-step explanation:

Data given and notation  

\bar X=12.95 represent the sample mean

\sigma=3 represent the population standard deviation for the sample  

n=36 sample size  

\mu_o =12 represent the value that we want to test  

\alpha=0.05 represent the significance level for the hypothesis test.  

z would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean is equal to 12, the system of hypothesis would be:  

Null hypothesis:\mu \leq 12  

Alternative hypothesis:\mu > 12  

Since we know the population deviation, is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:  

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic  

We can replace in formula (1) the info given like this:  

z=\frac{12.95-12}{\frac{3}{\sqrt{36}}}=1.9  

P-value  

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

p_v =P(z>1.9)=0.0287  

Conclusion  

If we compare the p value and the significance level given \alpha=0.05 we see that p_v so we can conclude that we have enough evidence to reject the null hypothesis, so we can conclude that the true mean is higher than 12 at 5% of signficance.  

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3 years ago
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Which value from the set {3, 8, 9, 14} makes the equation true?
garik1379 [7]

the answer would be 8.

2 times 8 = 16 minus 5 = 11

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