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3 years ago

The technology adapted to the printing press originated in the

SAT

2 answers:

forsale [732]3 years ago

7 0

I think it was around the 15th century I believe

Mrrafil [7]3 years ago

4 0

The printing press originated in Germany in the 15th century.

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The professor informs the class that there will be a test next week. what is the probability that a randomly selected student st

marusya05 [52]

The probability that students who were randomly selected studied for the test, if they pass it with a B or higher grade is: D. 0.80.

<h3>How to calculate the probability?</h3>

In this exercise, you're required to determine the probability that students who were randomly selected studied for the test, if they pass it with a B or higher grade. Thus, we would apply Bayes's theorem.

Let S represent studied for.

Let B represent a score of B or higher grade

Therefore, we need to find P(S|B):

$S|B = \frac{B|S \times S}{B|S \times S\; +\; B|S' \times S'} \\\\S|B = \frac{0.55 \times 0.6}{0.55 \times 0.6 \;+ \;0.2 \times 0.4}\\\\S|B =\frac{0.33}{0.33 + 0.08} \\\\S|B =\frac{0.33}{0.41}$

S|B = 0.80.

Read more on probability here: brainly.com/question/25870256

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<u>Complete Question:</u>

At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance they will get a B or higher on the tests. If they do not study, there is a 20% chance that they will get a B or higher on the tests. The professor knows from prior surveys that 60% of students study for the tests. The probabilities are displayed in the tree diagram.

5 0

2 years ago

Where is more than two-thirds of earths fresh water sorted?

Vinil7 [7]

<span> It's locked away in glaciers (in ice).</span>

4 0

3 years ago

What is the value of x? enter your answer in the box. X = note: image not drawn to scale. Triangle g e h with segment e d such t

Elodia [21]

Triangle GED and triangle DEH are similar triangles with a common side length DE

The value of x is 24

<h3>How to calculate the value of x</h3>

To calculate x, we make use of the following equivalent ratio

$GD : DH = EG : EH$

Substitute known values

$x + 4 : 35= 44.8 : 56$

Express the ratio as fraction

$\frac{x + 4}{35}= \frac{44.8}{ 56}$

Evaluate the quotient

$\frac{x + 4}{35}= 0.8$

Multiply both sides by 35

$x + 4= 28$

Subtract 4 from both sides

$x= 24$

Hence, the value of x is 24

Read more about similar triangles at:

brainly.com/question/12687306

8 0

2 years ago

All acute angles measures less than 90 degrees hypothesis and conclusion.

Brut [27]

Answer:

It can be represented by the conditional statement:

"If it is an acute angle then the angle is less than 90°"

A conditional statement is a statement that takes the form of “If P then Q,” For P is called the hypothesis and Q is called the conclusion. Also, both P and Q are sentences.

Given the sentence: All acute angles have measures less than 90°

It can be represented by the conditional statement:

"If it is an acute angle then the angle is less than 90°"

3 0

3 years ago

Ready 5 mathematics practice and problem solving answer key

pishuonlain [190]

Ben I do want that answer key

7 0

3 years ago