In a survey, 70 out of 84 people from the north prefer professional football over college football. 120 people from the south were asked the same question. In order for favorite type of football and region to be independent, how many people in the south would have to prefer professional football

Answers

Answer 1

Answer:

Answer: Around 100 people will answer that they prefer professional football.

Step-by-step explanation:

In the north, 70 out of 84 prefer professional football, then the relative frequency is

p = 70/84 = 0.83

Now, in the south, they asked to 120 people, and we can assume that the relative frequency will be about the same than in the north (because the relation is independent, which means that the region does not affect on the answer to the question of if they prefer professional or college football), so we have that if X people prefer professional football, we have:

p = X/120 = 0.83

X = 120*0.83 = 100

So around 100 people will answer that they prefer professional football.

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What is the coefficient of the term 12p in the expression 12p+9q?

Answers

Answer:

The coefficient of the term 12p in the given expression is, 12

Step-by-step explanation:

The coefficient is a number infront of a variable.

Given expression: $12p+9q$

here, p and q are variables.

by definition of coefficient:

In the expression:

Coefficient of the term 9q is 9

and

coefficient of the term 12p is 12.

Therefore, the coefficient of the term 12p in the given expression is, 12

the answer is 12,
12 is the coefficient because it is the number multiplied by the variable p in the equation

The Question is in the file below. (Khan Academy)

Answers

that little squaer angle means right angle or 90 degrees

the black line and the red line cross

therefor the oposte angles are eqal measure
7x=90+x
solve
minus x
6x=90
divide 6
x=15

x=15

Which graph is represents the function f(x)=3x-2/x-2

Answers

Answer:

I believe its graph D. Though you haven't showed any graphs, please check out the link below, I don't wanna take credit for copy and pasting anyone's work.

Step-by-step explanation:

This guys super smart too, trust. <3

brainly.com/question/9305138

Answer: Is D do trust just did it. ON EDGE

The weights, in pounds, of the upper-class men offensive line players for a college are shown below: 322, 290, 321, 326, 330, 315, 311, 292, 290 What is the average, or mean, weight of the upper-class men offensive players? Provide your answer with 3 sig figs. -311 pounds -315 pounds -290 pounds -318 pounds

Answers

Answer: 311 pounds

Step-by-step explanation:

To find the average, add up all of the values and divide by the amount of values.

First add up all of the values.

322+290+321+326+330+315+311+292+290 = 2797

Now count how many values there are and divide your previous sum by it.

2797/9 = 310.78

Because you need to have 3 sig figs, round to the nearest one.

310.78 rounds up to 311.

answer-311

Step-by-step explanation:

322+290+321+326+330+315+311+292+290=2797

Count the number of values and divide by 2797

2797 divided by 9 =310.77777777777777

Nearest one-311

A boat is marked up 20% on the original price. The original price was $50. What is the sale price of the boat before sales tax?

Answers

So,

The original price was $50.

The price was increased by 20%.

If you find 20% of $50 and add the result to $50, you will get the markup price.

20% --> 0.2
50(.2) = $10

10 + 50 = 60

The marked-up price of the boat is $60.

The marked up price was $60 because $50 times 0.2 = $10 and $50 +$10 = $60.

which is a translation of the sentence into an inequality and is it true or false? Eight and one tenth minus four is greater than or equat to two times two

Answers

In an equation, the two expressions are deemed equal which is shown by the ... x ≥ y. x is greater than or equal to y ... Is the following inequality < I hope I helped

Answer:

8 1/10-4≥2*2,true

Step-by-step explanation:

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