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Valentin [98]
3 years ago
7

Can someone help with #12 please

Mathematics
1 answer:
ankoles [38]3 years ago
3 0
12.

x^-1y^4 / 3x^-5y-1
= x^(-1+5) y^(4+1) / 3
= x^4 y^5 / 3

answer
1.
x^4 y^5 / 3

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A researcher is studying the monthly gross incomes of drivers for a ride sharing company. (Gross incomes represent the amount pa
Reptile [31]

Answer:

The histogram of the sample incomes will follow the normal curve.

Step-by-step explanation:

According to the Central Limit Theorem if we have an unknown population with mean <em>μ</em> and standard deviation <em>σ</em> and appropriately huge random samples (<em>n</em> > 30) are selected from the population with replacement, then the distribution of the sample mean will be approximately normally distributed.

In this case the researches wants to determine the monthly gross incomes of drivers for a ride sharing company.

He selects a sample of <em>n</em> = 200 drivers and ask them their monthly salary.

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Thus, the histogram of the sample incomes will follow the normal curve.

8 0
3 years ago
Tomas reparte 9 kg de mandarinas en mallas de tres cuartos de kilo cada una . ¿Cuantas mallas obtiene?
MrRissso [65]

Responder:

12

Explicación paso a paso:

Dado que:

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Tamaño de cada distribución = 3/4 de kilo

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Kilogramo / tamaño total por distribución

9 kg ÷ 3/4 kg

9 * 4/3

= (9 * 4) / 3

= 36/3

= 12

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7 0
3 years ago
Read 2 more answers
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