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Zina [86]
3 years ago
9

Translate the following into algebraic expressions: The first class has a kids in it, the second has b kids in it, and the third

class has c kids in it. The kids from all three classes are divided equally between two buses. How many kids are in each bus?
Mathematics
1 answer:
Studentka2010 [4]3 years ago
4 0

Answer:

(a + b + c)/2

Step-by-step explanation:

Number of kids in first class: a

Number of kids in second class: b

Number of kids in third class: c

The total number of kids in all classes is: a + b + c

The total number of kids is divided equally between 2 buses:

(a + b + c)/2

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Answer:

a.) one sample t test

b.) H0 : μ = 59.3

c.) H1 : μ > 59.3

d.) μ = 59.3 ; σ = 39.84

e.) xbar = 79.4 ; s = 61.36

Test statistic = 3.16

Step-by-step explanation:

Given the sample data:

49.00 49.00 49.00 49.00 49.00 63.00 63.00 63.00 63.00 63.00 199.00 199.00 199.00 199.00 199.00 38.00 38.00 38.00 38.00 38.00 48.00 48.00 48.00 48.00 48.00 49.00 63.00 199.00 38.00 48.00

Sample size, n = 30

Using calculator :

xbar from the data above = 79.4

Standard deviation = 61.359

H0 : μ = 59.3

H1 : μ > 59.3

Test statistic :

(Xbar - μ) ÷ (σ/sqrt(n)

σ = 34.83

(79.4 - 59.3) ÷ (34.83/sqrt(30))

20.1 ÷ 6.359

Test statistic = 3.16

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2 years ago
70 days=?Weeks <br> Hey guess if u help me I will help u thx
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6 0
3 years ago
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2a + 4 &gt; 12<br><br> qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
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Step-by-step explanation:

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Which is the simplified form of pº?<br> - |<br> оооо<br> o-<br> СО
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Step-by-step explanation:

Anything to the power of 0 equals 1

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