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3 years ago

Question 2 of 10

Mathematics

1 answer:

Firdavs [7]3 years ago

7 0

Answer:

B. The mean absolute deviation is 3

Step-by-step explanation:

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A train is carrying 1,425 passengers. Each of the train’s cars can hold 30 passengers. How many train cars are needed to hold al

erastova [34]

The train needs 48 carts in total

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3 years ago

How do you write 53,806 in expanded form using exponents

densk [106]

(5x10^4)+(3x10^3)+(8x10^2)+(0x10^1)+6x10^0)

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3 years ago

how many such tests would it take for the probability of committing at least one type i error to be at least 0.7? (round your an

drek231 [11]

The number of tests that it would take for the probability of committing at least one type I error to be at least 0.7 is 118 .

In the question ,

it is given that ,

the probability of committing at least , type I error is = 0.7

we have to find the number of tests ,

let the number of test be n ,

the above mentioned situation can be written as

1 - P(no type I error is committed) ≥ P(at least type I error is committed)

which is written as ,

1 - (1 - 0.01)ⁿ ≥ 0.7

-(0.99)ⁿ ≥ 0.7 - 1

(0.99)ⁿ ≤ 0.3

On further simplification ,

we get ,

n ≈ 118 .

Therefore , the number of tests are 118 .

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1 year ago

What should I fill the blanks with?

Dmitriy789 [7]

Answer:

The three angles form a "linear triplet" , so their measures must add up to $180^o$

Step-by-step explanation:

Notice that the three angles add up to cover half a circle (therefore 180 degrees of angle. Such type of angle combination is called a "linear triplet" since they add up to give a straight line.

5 0

3 years ago

Read 2 more answers

A parallelogram has a length of 15cm and a height of 7.5cm . Calculate it’s area (step by step)

poizon [28]

Answer:

Area of parallelogram is equal to $112.5cm^2$

Step-by-step explanation:

It is given length pf parallelogram which is equal to base of parallelogram is b=15 cm

Height of parallelogram h = 7.5 cm

We have to find the area of the parallelogram.

Area of parallelogram is equal to multiplication of base and height.

Therefore area of parallelogram is,

$A=bh$ , here b is base and h is height.

So $A=15\times 7.5=112.5cm^2$

Therefore area of parallelogram is equal to $112.5cm^2$

3 0

3 years ago