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2 years ago

Which is a better estimate for the weight of a double-decker bus

Mathematics

1 answer:

tia_tia [17]2 years ago

3 0

Step-by-step explanation:

Coaches are typically sized to a height of 4.38 meters, whereas 'high-bridge' vehicles are usually around 20 centimeters higher. At an average height of 18.65 metres, integrated double-deckers are often permitted .

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Eric's class consists of 12 males and 16 females. If 3 students are selected at random, find the probability that they

Reptile [31]

Answer:

The probability that all are male of choosing '3' students

P(E) = 0.067 = 6.71%

Step-by-step explanation:

Let 'M' be the event of selecting males n(M) = 12

Number of ways of choosing 3 students From all males and females

$n(M) = 28C_{3} = \frac{28!}{(28-3)!3!} =\frac{28 X 27 X 26}{3 X 2 X 1 } = 3,276$

Number of ways of choosing 3 students From all males

$n(M) = 12C_{3} = \frac{12!}{(12-3)!3!} =\frac{12 X 11 X 10}{3 X 2 X 1 } =220$

The probability that all are male of choosing '3' students

$P(E) = \frac{n(M)}{n(S)} = \frac{12 C_{3} }{28 C_{3} }$

$P(E) = \frac{12 C_{3} }{28 C_{3} } = \frac{220}{3276}$

P(E) = 0.067 = 6.71%

Final answer:-

The probability that all are male of choosing '3' students

P(E) = 0.067 = 6.71%

3 0

3 years ago

What is the midpoint and how do I find it?

Troyanec [42]

Answer:

(0.5,0.5)

Step-by-step explanation:

use the midpoint formula x1+x2/2 and y1+y2/2

8 0

3 years ago

1. Jay said, “The amount of money in my checking account is less than $50.00, but greater than $40.00.” Which statements about t

Sav [38]

I am pretty sure a is the awnser

5 0

3 years ago

CALCULATE 5/8 + 3 1/4 x -3/6 - 2 5/12

lorasvet [3.4K]

CALCULATE 5/8 + 3 1/4 x -3/6 - 2 5/12 = -3 5/12

8 0

3 years ago

Pls help i need this done as quick as possible

Anvisha [2.4K]

Answer:

Infinite Solutions.

Step-by-step explanation:

$m+7=3+m+4$

Subtract m from both sides:

$m+7-m=3+m+4-m$

$7=3+4$

$7=7$

Both sides are equal.

This means that the value of m does not affect the end result of 7 = 7, which is true. Thus, there are infinite solutions as any value of m will still make the equation true.

4 0

3 years ago

Which is a better estimate for the weight of a double-decker bus￼

Which is a better estimate for the weight of a double-decker bus