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3 years ago

Question 1 (4 points)

Mathematics

1 answer:

Dvinal [7]3 years ago

8 0

Answer:Mean = 8.7

Median= 8.8

Mode=Nil

Yes, they are the best measure to describe the data.

Step-by-step explanation:

Mean, otherwise known as average= total sum of data set/ number of data set

=45.8/5= 8.76

Median- the mid point data in a given set. We rearranged the data set in an ascending order to get the best measure. Median is 8.8

Mode- the most reoccurring number in a given data. For this data set, however, mode is not applicable as all each data value appears once

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Maksim231197 [3]

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Step-by-step explanation:

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Rama09 [41]

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3 years ago

At what point is the function y=(x+3)/(x^(2)-7x+12) continuous

nika2105 [10]

If a function is defined as

$h(x)=\dfrac{f(x)}{g(x)}$

where both $f(x),g(x)$ are continuous functions, then $h(x)$ is also continuous where defined, i.e. where $g(x)\neq0$

So, in your case, this function is continous everywhere, except where

$x^2-7x+12=0$

To solve this equation, we can use the formula $x^2-sx+p=0$

It means that, if the leading terms is 1, then the x coefficient is the opposite of the sum of the roots, and the constant term is the product of the roots.

So, we're looking for two terms whose sum is 7, and whose product is 12. These numbers are easily found to be 3 and 4.

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3 years ago

Is the answer a,b,c or d

Natalija [7]

Answer:

C) SSS

Step-by-step explanation:

SSS stands for "side, side, side" and means that we have two triangles with all three sides equal.

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3 years ago

Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 38 miles per day. The mileage per day

Montano1993 [528]

Answer: 0.1824

Step-by-step explanation:

Given : The mileage per day is distributed normally with

Mean : $\mu=110\text{ miles per day}$

Standard deviation : $\sigma=38\text{ miles per day}$

Let X be the random variable that represents the distance traveled by truck in one day .

Now, calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x= 132 miles per day.

$z=\dfrac{132-110}{38}\approx0.58$

For x= 159 miles per day.

$z=\dfrac{159-110}{38}\approx1.29$

Now by using standard normal distribution table, the probability that a truck drives between 132 and 159 miles in a day will be :-

$P(132$

Hence, the probability that a truck drives between 132 and 159 miles in a day =0.1824

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3 years ago