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diamong [38]
3 years ago
9

Which element of variation would not be affected by adding the data value 15 to the data set {3, 5, 6, 8, 9, 10, 13, 14}

Mathematics
1 answer:
Andrei [34K]3 years ago
8 0
It is 13,14 because it goes up two then one one then two again which will then mess up the rotation
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Liam and Kaiden are brothers who go to different schools. The school day is just as long at Liam's school as at Kaiden's school.
Triss [41]

Answer:

He's not right

Step-by-step explanation:

L = 4/6 = 2/3

K = 2/3

4 0
3 years ago
The demand for a daily newspaper at a newsstand at a busy intersection is known to be normally distributed with a mean of 150 an
AURORKA [14]

Answer:

171 newspapers.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 150, \sigma = 25

How many newspapers should the newsstand operator order to ensure that he runs short on no more than 20% of days

The number of newspapers must be on the 100-20 = 80th percentile. So this value if X when Z has a pvalue of 0.8. So X when Z = 0.84.

Z = \frac{X - \mu}{\sigma}

0.84 = \frac{X - 150}{25}

X - 150 = 0.84*25

X = 171

So 171 newspapers.

4 0
3 years ago
Determine if x+3 is a factor of -3x^3+6x^2+6x+9. How do u know
krek1111 [17]
By the factor theorem, if x + 3 is a factor of f(x) = -3x^3 + 6x^2 + 6x + 9, then f(-3) = 0
f(-3) = -3(-3)^3 + 6(-3)^2 + 6(-3) + 9 = -3(-27) + 6(9) - 18 + 9 = 81 + 54 - 9 = 126.

Therefore, x + 3 is not a factor of the given function
6 0
3 years ago
15 = -3(2c + d) (Solve for c)​
Paha777 [63]

Answer:

(15+3d)/6 = c

2 1/2 + 1/2d = c     (more simplified)

Step-by-step explanation:

15 = -3(2c +d)

15 = -6c -3d

+3d       +3d

15 +3d = -6c

/-6          /-6

(15+3d)/6 = c

2 1/2 + 1/2d = c

7 0
3 years ago
What is the greatest common factor of 9 and 14?
Morgarella [4.7K]

Answer:1

Step-by-step explanation:

"Greatest Common Factor of 9 and 14. Greatest common factor (GCF) of 9 and 14 is 1."

4 0
3 years ago
Read 2 more answers
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