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4 years ago

How to round 42.6598 to the barest hundredths place

Mathematics

2 answers:

NeX [460]4 years ago

6 0

To round to the nearest hundredth is 42.66

rodikova [14]4 years ago

6 0

Answer:

the answer is 42.66

Step-by-step explanation:

This is because the numbers after the decimal has certain places.

The first number which is here .659 is called the tenths place. Then next is called the hundreths which is located here .659 The next thousands and etc.

The way to calculate rounding is if the number next to it is 5 or higher or is 4 or lower.

like this decimal (EX.) .125 we hav to round to the nearest hundredths place. This is this number .125 . We use this number next to it .125 to see if it is rounded up or down. if it is 5 or higher we change it to .13 if it is lower than 5 like 4, 3, 2 etc we leave it alone like this .12 But the answer for this example is .13 because the number next to it is higher

So for this equation in .659 the number 9 is higher than 5 so we raise the number to the left of it to 6

If you have any questions feel free to ask in the comments.

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3 years ago

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4 years ago

In a restaurant, the proportion of people who order coffee with their dinner is p. A simple random sample of 144 patrons of the

mote1985 [20]

<h2>Answer with explanation:</h2>

Given : In a restaurant, the proportion of people who order coffee with their dinner is p.

Sample size : n= 144

x= 120

$\hat{p}=\dfrac{x}{n}=\dfrac{120}{144}=0.83333333\approx0.8333$

The null and the alternative hypotheses if you want to test if p is greater than or equal to 0.85 will be :-

Null hypothesis : $H_0: p\geq0.85$ [ it takes equality (=, ≤, ≥) ]

Alternative hypothesis : $H_1: p$ [its exactly opposite of null hypothesis]

∵Alternative hypothesis is left tailed, so the test is a left tailed test.

Test statistic : $z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

$z=\dfrac{0.83-0.85}{\sqrt{\dfrac{0.85(1-0.85)}{144}}}\\\\=-0.561232257678\approx-0.56$

Using z-vale table ,

Critical value for 0.05 significance ( left-tailed test)=-1.645

Since the calculated value of test statistic is greater than the critical value , so we failed to reject the null hypothesis.

Conclusion : We have enough evidence to support the claim that p is greater than or equal to 0.85.

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3 years ago

3. If Jay gets paid $30 a day plus $15 per driveway

marissa [1.9K]

Answer:

4 driveaways

Step-by-step explanation:

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3 years ago