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ololo11 [35]
3 years ago
15

A sample of 92 observations is taken from a process (an infinite population). the sampling distribution of x̄ is approximately n

ormal because
Mathematics
1 answer:
Sindrei [870]3 years ago
6 0
It is normal based on the Central Limit Theorem. According to the theorem, an appropriately big sample (infinite) size from a population with a limited level of variance, the average of all samples from the same populace will be roughly equivalent to the mean of the population.
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The picture shows a feeding trough that is shaped like a right prism.
ollegr [7]
A)We have been given →

Hieght of trough = 5m

length of trough = 6m

Breadth of trough = 4m

so , As the top is opened for feeding animals.

Area of base = length× Breadth

= (6×4) m²
= 24 m²

Area of Front and back face = Hieght × length

= (5×6) m²
= 30m²

Area of side faces = hieght × Breadth

= (5×4) m²
= 20 m²
____________________________________

B)Total Surface area of trough will be given by formula - 2(lb+bh+hl)

= 2{(6×4)+(4×5)+(5×6)}

= 2{24+20+30}

= 2×74

= 148 m²

As we have been told top is open , so we will deduct top from Total surface Area to obtain Surface area →

(148-24) m²

(Area of top will be same as base area , that is 24m² as we have solved in A)

= 124m²

Answer→ Surface area of trough is 124m²
___________________________________
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Jane's bank account grew from $2175 to $2262. what was the percent increase in her account
ArbitrLikvidat [17]
10% i believe because it went up by 10 sorry if wrong
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What type of number is -84/4? <br><br>whole<br>integer<br>rational​
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Integer -84/4 = -22 which is an integer.
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3c+2d=-24 and 2c+5d= -38
Assoli18 [71]

Answer:

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Step-by-step explanation:

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1/2*100

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