3 years ago

The hanger image below represents a balanced equation.

1 answer:

6 0

Answer:

The answer is 1/5 + z = 3/5

Step-by-step explanation:

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Aneli [31]

That would be 402.56 :)

3 0

3 years ago

8090 [49]

X= -2 + the root of 5
OR
x= -2 - the root of 5

5 0

3 years ago

tia_tia [17]

Answer: combine like terms then divide dum dum

Step-by-step explanation:

8 0

3 years ago

Ksivusya [100]

Answer: 0.2643

Step-by-step explanation:

Let p be the population proportion and $\hat{p}$ be the sample proportion .

As per given question , we have

$p=0.14\\\\ \hat{p}=0.13\\\\ n=478$

z-score : $\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

$z=\dfrac{0.13-0.14}{\sqrt{\dfrac{0.14(1-0.14)}{478}}}\\\\=-0.630087269176\approx-0.63$

The required probability ( using z-table ):-

$P(z$

Hence, the probability that the proportion of books checked out in a sample of 478 books would be less than 13% = 0.2643

5 0

4 years ago

Vera_Pavlovna [14]

The explaination is here

6 0

3 years ago