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Igoryamba
3 years ago
7

If two different data sets have the same mean, the one with a wider range gives a better representation of its data.

Mathematics
2 answers:
PolarNik [594]3 years ago
7 0

Answer:

B/ False.

Step-by-step explanation:

astra-53 [7]3 years ago
7 0
The answer to that is false
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Solve y(2y+1)+10=0 by using the Quadratic Formula.
Lorico [155]

Answer:

y= -1+- i √79/4

Step-by-step explanation: Here is the answer ^^

8 0
3 years ago
out of 45 times at bat, Raul got 19 hits.Find Rauls batting average as a decimal rounded tothe nearst thousandth.
kati45 [8]
19/45=0.422222222........
Therefore rounded to the nearest thousandth his batting average is 0.422
3 0
3 years ago
Americans receive an average of 20 Christmas cards each year. Suppose the number of Christmas cards is normally distributed with
soldier1979 [14.2K]

The distribution of X is X ~ N (20 , 6) and the probability that this American will receive no more than 24 Christmas cards this year is 0.7486.

<h3>Probability</h3>

a. Distribution

X ~ N (20 , 6)

b. P(x ≤24)

= P[(x - μ ) / σ  (24 - 20) / 6]

= P(z  ≤0.67)

=  0.74857

=0.7486

Hence:

Probability = 0.7486

c. P(21 < x < 26)

= P[(21 - 26)/ 6) < (x - μ  ) / σ   < (24 - 20) / 6) ]

= P(-0.83 < z < 0.67)

= P(z < 0.67) - P(z < -0.)

=  0.74857- 0.2033

= 0.54527

Hence:

Probability =0.54527

d. Using standard normal table ,

P(Z < z) = 66%

P(Z < 0.50) = 0.66

z = 0.50

Using z-score formula,

x = z×  σ +  μ

x = 0.50 × 6 + 20 = 23

23 Christmas cards

Therefore the distribution of X is X ~ N (20 , 6) and the probability that this American will receive no more than 24 Christmas cards this year is 0.7486.

Learn more about probability here:brainly.com/question/24756209

#SPJ1

8 0
2 years ago
A 9-foot roll of waxed paper costs $2.16. What is the price per inch?
Mama L [17]

Answer:

$0.02

Step-by-step explanation:

$2.16/9=$0.24 per foot

$0.24/12=$0.02 per inch

8 0
3 years ago
Read 2 more answers
Penny says that the equation x³-8=0 has only one solution x=2. Use the fundamental theorem of algebra to explain to her why she
Airida [17]

Answer:

She is incorrect

Step-by-step explanation:

The fundamental theorem of algebra states that if a polinomial has a degree n, therefore has n roots. To fidn these roots the use of complex number imay be necesary .

For the equation, degree is 3, so there are 3 solutions.

3 0
3 years ago
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