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3 years ago

Write the fraction in the simplest form 25/100

Mathematics

2 answers:

zysi [14]3 years ago

5 0

It is 1/4 (ignore this)

Katarina [22]3 years ago

3 0

Multiply by 25 so 25×4 is 100 so the answer is 1/4

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In Evans history class, 10 out of 100 key terms will be randomly selected to appear on the final exam; Evan must then choose 7 o

motikmotik

Answer:

(a) Hypergeometric distribution

(b) 0.785384...

Step-by-step explanation:

(a) looking at the question, we see that $X = \in \{0, ... , 10 \}$ , suppose Evans studied s key terms, this implies that he has not studied 100 - s key terms. Suppose $k = \in \{0, ... , 10 \}$ if X = k, then k out of the s key terms he had studied appeared. But 10 - k out of 100 - s key terms he hasn't studied appeared. Thus X is an Hypergeometric distribution, X~HGeom(s, 100 - s, 10) with PMF:

$P_{x}(k) = P(X = k)$

6 0

4 years ago

Which expression is equivalent to the given expression?

mel-nik [20]

The answer would be b.

3 0

3 years ago

Read 2 more answers

Given f(x),=19x+10find f(4).

patriot [66]

Replace x by 4
F(4)= 19(4)+10
F(4)=76+10
F(4)= 86
Hope this helps!!

3 0

3 years ago

Find the product with the exponent in simplest

fgiga [73]

Answer:

x = 7

y = 12

Step-by-step explanation:

The key to solving this problem is understanding the properties of exponents:

If you are multiplying two powers with the same base (in this case the base is 6), the result is the base raised to the power of the two exponents added together.

6^1/3+1/4 = 6^x/y

6^7/12 = 6^x/y

So the product would be 6^7/12

Therefore, the answers are:

x = 7

y = 12

5 0

2 years ago

A test consists of 10 true or false questions. To pass the test a student must answer at least eight questions correctly. If the

forsale [732]

<h3>The probability of student passing the quiz with at least 50% of the questions correct is 0.05457.</h3>

Step-by-step explanation:

Here, the total number of T/F question = 10

The minimum answers needed correctly answered = 8

So, student needs to answer at least 8 questions correctly.

Here, the possibility of answering a question correctly = $(\frac{1}{2})$ = p = 0.5

Also, the possibility of answering a question wrong = $(\frac{1}{2})$ = q = 0.5

Now, to pass he needs to answer 8 or more ( 8 , 9 or 10) answers correctly.

P(answering 8 correct answer) = $^{10}C_8(p)^8(q)^2 = ^{10}C_8(0.5)^8(0.5)^2 = 0.0439$

P(answering 9 correct answer) = $^{10}C_9(p)^9(q)^1 = ^{10}C_9(0.5)^9(0.5)^1 = 0.0097$

P(answering 10 correct answer) = $^{10}C_{10}(p)^{10}(q)^0 = ^{10}C_{10}(0.5)^{10}(0.5)^0 = 0.00097$

So, the total Probability = P(8) + P(9) + P(10)

= (0.0439) + (0.0097) + (0.00097)

= 0.05457

Hence, the probability that the student passes the quiz with at least 8 of the questions correct is 0.05457.

6 0

4 years ago