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4 years ago

What is the greatest possible error for each measurement?

2 answers:

7 0

A. 0.001

B. 5

C. 9.045

D.0.50
I am not sure though, so don't hurry writing it down. I didn't really understand what you were asking so I just guessed that you want something like this.

nignag [31]4 years ago

4 0

The greatest possible error of 18.9m is 18.95m - 18.85m = 0.1m

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GrogVix [38]

Answer:

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3 years ago

4 + 65x<br>52x + 7 A<br>X =

mars1129 [50]

Answer:

34x+78x

Step-by-step explanation:

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3 years ago

There are 3 boxes. First box contains 100 components of which 20 % are defective, second box contains 200 components of which 25

natali 33 [55]

Answer:

Step-by-step explanation:

Given that there are 3 boxes. First box contains 100 components of which 20 % are defective, second box contains 200 components of which 25 % are defective, third box contains 300 components of which 40 % are defective.

Box is selected randomly and from this box one component is selected randomly. The chosen component turned out to be defective.

Here A1, A2 and A3 events from drawing I, II and III box are mutually exclusive and exhaustive

B = The drawn ball is defective

Required probability

a) second box = P(A2/B)

= $\frac{P(A_2B)}{P(A_1B+P(A_2B+P(A_3B}$

(by Bayes theorem of conditional probability)

= $\frac{\frac{1}{3} 0.25}{\frac{1}{3} 0.20)+\frac{1}{3} 0.25)+\frac{1}{3} 0.40)} \\=\frac{25}{85} \\=\frac{5}{17}$

b) third box = P(A3/B)

= $\frac{\frac{1}{3} 0.40}{\frac{1}{3} 0.20)+\frac{1}{3} 0.25)+\frac{1}{3} 0.40)} \\=\frac{40}{85} \\=\frac{8}{17}$

4 0

3 years ago

How to find area of a square room if it's length is 5cm

alina1380 [7]

Answer:

150 cm²

Step-by-step explanation:

Since the room is square, assuming that it is a cube, the area will be 6s², where s is the side length.

Given a side length of 5cm, the area is

6(5)² = 6cm × 25cm = 150cm²

6 0

3 years ago

PRACTICE ANOTHER The administration of a large university wants to take a random sample to measure student opinion of a new food

Reil [10]

Answer:

81 samples

Step-by-step explanation:

According to the empirical rule :

Possible values of the sample mean is within 3 standard deviations of the population mean :

μ ± 3 sd(x) ; sd(x) = standard deviation of sampling distribution.

3 * sd(x) = 1

sd(x) = 1/3

Recall:

Standard deviation of sampling distribution, sd(x)

sd(x) = σ / sqrt(n)

1/3 = 3 / sqrt(n)

Square both sides

1/9 = 9/n

Cross multiply :

n * 1 = 9 * 9

n = 81

3 0

3 years ago