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steposvetlana [31]
2 years ago
13

I NEED EXTREME HELP. I ASKED THIS QUESTION 2 TIMES ALREADY AND NOW THIS IS MY THIRD. WHOEVER ANSWERS THIS CAN ANSWER THE SAME TH

ING ON MY PROFILE AND GET A LOT OF POINTS. HELP!!!!!

Mathematics
2 answers:
slega [8]2 years ago
6 0

Answer:

2.5 times taller

Step-by-step explanation:

6+6=12 3+3=6 12+6=18  so the streetlight is 18 ft

daser333 [38]2 years ago
3 0
L1/L2=b1/b2. 10/30=6/b2. b2=6x30/10. b2=18 ft. Ratio of height of streetlight and man: 18/6=3. Streetlight is 3 times taller than that person
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The conditional relative frequency table was generated using data that compares the favorite subjects of male and female student
OverLord2011 [107]

The number of students in the survey said that math was their favorite subject is given by: Option D: 123

<h3>What is conditional relative frequency?</h3>

Conditional relative frequency is relative frequency conditional to some special characteristic.

For this case, we're specified the following table:

\begin{array}{cccc}&\text{Math}&\text{Other favorite subject}&\rm Total\\\text{Male}&0.35&0.65&1.0\\\text{Female}&0.45&0.55&1.0\\\rm Total &0.41&0.59&1.0 \end{array}

It is given that:

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We have to find how many students in the survey said that math was their favorite subject.

From males, 0.35 out of 1 male said math was their favorite subject. (since total in male is 1, showing that the row of males got conditional relative frequency conditional to the gender male, and relative to the total count of males).

Thus, as out of 1, there was 0.35 supporter of math (from males), so from 120 male students, there were 120\times 0.35 = 42 male students who had chosen math as their favorite subject.

Similarly, 0.45 per 1 female student chose their favorite subject as math.

Since there are 180 female students, therefore, total 180\times 0.45 = 81 female students had chosen math as their favorite subject.

So, total 42+81=123 students had chosen math as their favorite subject.

Thus, the number of students in the survey said that math was their favorite subject is given by: Option D: 123

Learn more about conditional relative frequency here:

brainly.com/question/12165221

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