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lbvjy [14]
3 years ago
15

The dot plot below shows the number of books 26 students read in a month: Is the median or the mean a better center for this dat

a and why?
A.Mean; because the data is skewed and there are outliers
B.Mean; because the data is symmetric and there are outliers
C.Median; because the data is skewed and there are outliers
D.Median; because the data is symmetric and there are outliers

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

B

Step-by-step explanation:

The data is symmetric, and the three 10 count as outliers.

Thank you! Have a nice day!

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∠ A and ∠B are vertical angles. Find each angle if, m∠ A=7x+2 and m∠ B=4x+11. Solve for x
tino4ka555 [31]

Answer:

x=3

Step-by-step explanation:

Vertical angles are equal so

<A = <B

7x+2 = 4x+11

Subtract 4x from each side

7x+2-4x = 4x+11-4x

3x+2 =11

Subtract 2 from each side

3x+2-2 = 11-2

3x = 9

Divide by 3

3x/3 = 9/3

x=3

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3 years ago
PQ is parallel to RS. The length of RP is 4cm; the length of PT is 16cm; the length of QT is 20cm. What is the length of SQ?
Step2247 [10]
Hello,

Using the theorem of Thalès,
PR/TP=QS/TQ==>QS=4*20/16=5

Answer A
3 0
3 years ago
. For the function given, state the starting point for a sample period:
Aneli [31]
I think the answer is π?
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3 years ago
Determine whether each relation is a function.
Vitek1552 [10]
1- not a function; 3 in the domain is repeated
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3 0
2 years ago
The amount of time it takes Evelyn to go grocery shopping is continuous and uniformly distributed between 20 minutes and 44 minu
vivado [14]

Answer:

85.71% probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is given by the following formula.

P(X < x) = \frac{x - a}{b-a}

Uniformly distributed between 20 minutes and 44 minutes.

This means that a = 20, b = 44.

What is the probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

We know that it takes less than 41 minutes, so we can update b to 41.

So

P(X < 38) = \frac{38 - 20}{41 - 20} = 0.8571

85.71% probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

4 0
3 years ago
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