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3 years ago

Which is equivalent to log 12 462?

Mathematics

1 answer:

alina1380 [7]3 years ago

5 0

Answer:b

Step-by-step explanation:

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Which is a quantitative variable?

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Answer:

Variables that have are measured on a numeric or quantitative scale. Ordinal, interval and ratio scales are quantitative.

Step-by-step explanation:

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3 years ago

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saw5 [17]

Answer:

3 option

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Parallel lines are preserved in which of the following types of transformations?

dedylja [7]

Answer:

The answer should D) I, II, and III

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3 years ago

Solve for y in this equation<br> 6( y-1) -9=-5(-3y+5) -3y

saul85 [17]

6(y-1)-9=-5(-3y+5)-3y
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3 years ago

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James surveyed people at school and asked whether they bring their lunch to school or buy their lunch at school more often. The

Brrunno [24]

Answer:

The correct option is 4.

Step-by-step explanation:

Given information:

Bring lunch : 46 males, 254 females

Buy lunch : 176 males, 264 females

Total number of peoples is

$46+254+176+264=740$

Total number of males is

$46+176=222$

The probability of male is

$P(Male)=\frac{Males}{Total}=\frac{222}{740} =0.3$

Since probability of males is 0.3, therefore options A and C are incorrect.

Total number of persons who buys lunch is

$176+264=440$

The probability of persons who buys lunch is

$P(\text{Buys lunch})=\frac{\text{Buys lunch}}{Total}=\frac{440}{740} =\frac{22}{37}$

We need to find the probability of P(male | buys lunch).

According to the conditional probability, we get

$P(\frac{A}{B})=\frac{P(A\cap B)}{P(B)}$

P(male | buys lunch) $=\frac{P(\text{male }\cap \text{ buys lunch})}{P(\text{buys lunch})}$

P(male | buys lunch) $=\frac{\frac{176}{740}}{\frac{22}{37}}$

P(male | buys lunch) $=\frac{2}{5}=0.4$

Therefore the correct option is 4.

8 0

3 years ago

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