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sammy [17]
3 years ago
9

4.88 to nearest tenths

Mathematics
2 answers:
bazaltina [42]3 years ago
7 0

Answer:

4.9

Step-by-step explanation:

4.88

The first after the period is the tenths place, it is rounded up to 4.9

Arte-miy333 [17]3 years ago
7 0
It would be 4.9 because the 8 is bigger than 5
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y=√384

y≈19.60 m  (to the nearest hundredth of a meter, or nearest centimeter)

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What is the product?
Alexxandr [17]

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Step-by-step explanation:

Multiply the number by every element of the matrix. Answer: A

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Stephen can deliver 14 newspapers in 20 minutes. How many HOURS will it take him to deliver 131 newspaper
LiRa [457]

Answer:

approx. 3 hours

Step-by-step explanation:

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7 0
2 years ago
In the figure, line segment VR is parallel to line segment US and m<1 = 45 degrees what is m<4?
Jobisdone [24]

The measure of ∠4 is 45°.

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3 0
3 years ago
The scores on the LSAT are approximately normal with mean of 150.7 and standard deviation of 10.2. (Source: www.lsat.org.) Queen
faltersainse [42]

Answer:

a=150.7 -0.385*10.2=146.773

So the value of height that separates the bottom 35% of data from the top 65% (Or the 35 percentile) is 146.7.  

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

2) Solution to the problem

Let X the random variable that represent the  scores on the LSAT of a population, and for this case we know the distribution for X is given by:

X \sim N(150.7,10.2)  

Where \mu=150.7 and \sigma=10.2

We want to find a value a, such that we satisfy this condition:

P(X>a)=0.65   (a)

P(X   (b)

Both conditions are equivalent on this case. We can use the z score again in order to find the value a.  

As we can see on the figure attached the z value that satisfy the condition with 0.35 of the area on the left and 0.65 of the area on the right it's z=-0.385. On this case P(Z<-0.385)=0.35 and P(Z>-0.385)=0.65

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

Z=-0.385

And if we solve for a we got

a=150.7 -0.385*10.2=146.773

So the value of height that separates the bottom 35% of data from the top 65% (Or the 35 percentile) is 146.7.  

5 0
2 years ago
Read 2 more answers
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