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timurjin [86]
3 years ago
13

Plz help on 1,3,4 thx!

Mathematics
1 answer:
Natalka [10]3 years ago
6 0
1. IQR = Q3 - Q1 = 35 - 20 = 15

A. 15

3. The ages include 20 and 25 so A and C are out, and the ages are between the two ages

B. a >= 20 and a <= 25

4. With the addition of 30, there are now 14 dots. Therefore, the median will be the mean of the 7th and 8th dots from least to greatest on the number line. In this case, it would still be 22.

C. The median would stay the same.
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10 bags of flour on fulfill
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Which pair of numbers has a GCF of 3? Group of answer choices (A) 3 and 18 (B) 8 and 24 (C)12 and 18 (D) 1 and 3
Arte-miy333 [17]

Answer:

A, B and C

Step-by-step explanation:

A) 3 and 18 = has 3 as factor

B) 8 and 24 = has 3 as factor

C) 12 and 18 = has 3 as factor

D) 1 and 3 = has as factor of 1 and 3

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What is the first error he made in computing the standard deviation?
artcher [175]
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dsp73
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6 0
4 years ago
The relative frequency distribution of the number of phobias reported by a hypothetical sample of 500 college students is given
goldenfox [79]

Answer:

a. 0.48

b. 0.14

c. 0.47

Step-by-step explanation:

Data provided in the question

0 - 2        0.48

3 - 5        0.26

6 - 8        0.12

9- 11        0.09

12- 14       0.05

Based on the above information

a. The probability for fewer than three phobias is

= P( x < 3)

= 0.48

b.  The probability for more than eight phobias is

= P( x >8)

= 0.09 + 0.05  

= 0.14

c. Probability between 3 and 11 phobias is  

= P(3 < x < 11)

= 0.26 + 0.12  + 0.09

= 0.47

3 0
3 years ago
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