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inessss [21]
2 years ago
8

A political candidate wanted to understand what issues were important to their voters. They asked 1,999 voters, "Which issue is

the most important: crime, city planning, or health care?" The results of the survey are shown in the two-way table below: Crime City Planning Health Care Male 118 239 458 Female 418 317 449 What is the probability that a person chosen at random from this survey is concerned about crime, given that they are male? Round your answer to the nearest tenth.
Mathematics
2 answers:
ollegr [7]2 years ago
6 0
              Crime      City       Health       Total
                           Planing     Care
Male       118         239          458          815
Female   418        317          449        1,184
Total       536        556          907        1,999  

Total Male: 118+239+458=815
Total Female: 418+317+449=1,184
Total Crime: 118+418=536
Total City Planning: 239+317=556
Total Healt Care: 458+449=907
Total: 815+1184=1,999=536+556+907

Probability that a person chosen at random from this survey is concerned about crime<span>, given that they are male: P=?

</span>P=118/815=0.144785276→P=0.1

Answer: T<span>he probability that a person chosen at random from this survey is concerned about crime, given that they are male is 0.1</span>
Verdich [7]2 years ago
5 0
              Crime      City       Health       Total
                           Planing     Care
Male       118         239          458          815
Female   418        317          449        1,184
Total       536        556          907        1,999  

Total Male: 118+239+458=815
Total Female: 418+317+449=1,184
Total Crime: 118+418=536
Total City Planning: 239+317=556
Total Healt Care: 458+449=907
Total: 815+1184=1,999=536+556+907

Probability that a person chosen at random from this survey is concerned about crime<span>, given that they are male: P=?

</span>P=118/815=0.144785276→P=0.1

Answer: T<span>he probability that a person chosen at random from this survey is concerned about crime, given that they are male is 0.1</span>
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Miyoko's goal is to earn more than \$950$950dollar sign, 950 this week. She earns \$250$250dollar sign, 250 for every day she wo
GrogVix [38]

$250 c+ $ 180 g > $ 950

<u>Step-by-step explanation:</u>

As a cryptographer (c), Miyoko earns per day = $ 250

As a geologist (g) , Miyoko earns per day = $ 180

So the equation comes to be $250 c+ $ 180 g = $ 950

The equation can be rewritten to find c as, (950-180 g) / 250

The equation can be rewritten to find g as, (950 - 250 c) / 180

Plugin different values of c and g in the above 2 equations, we can find that ,

To achieve the goal, Miyoko requires to be a geologist for 3 days and crpytographist for 2 days.

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2 years ago
What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form? Quadratic formula: x = x = x = x = x =
irinina [24]
X²+5x+5 has zeroes given by x=(-5±√25-20)/2=(-5±√5)/2=-1.3820 and -3.6180.
In simplest radical form the zeroes are -5/2+√5/2 and -5/2-√5/2.
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2 years ago
Read 2 more answers
The point R is halfway between the integers on the number line below and represents the number ____. (Use the hyphen for negativ
wariber [46]

Answer: - 2.5

Step-by-step explanation:

Using the attached number line has reference, the distance between each integer on the number line attached is 1, and the numbers are ordered in ascending order from - 10 to + 10. The point R exists in between the point marked - 2 and - 3 respectively. This shows that that point R is a number between the two integers, a number greater than - 3 but less than - 2.

From the picture attached the blue dot sits directly at the midpoint between - 3 and - 2. Hence the position can be a obtained by averaging the two integers.

(-3 + - 2) / 2 = - 5/2 = - 2.5

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2 years ago
Jenna wants to open a salon and must choose a location. At Location A, she will pay $1200 per month and charge $45 per haircut.
anzhelika [568]
Profit=revenue-cost

pA(m,h)=45h-1200m

pB(m,h)=60h-1800m

Profit is the same when pA=pB so

60h-1800m=45h-1200m

15h=600m

h=40m

So 40 haircuts per month at either location results in the same profit of $600 per month.
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2 years ago
Two numbers are randomly selected on a number line numbered from 1 to 9. Match each scenario to its probability.
Talja [164]

Answer:

1/9; 4/9; 1/12; 1/6

Step-by-step explanation:

the probability that both numbers are greater than 6 if the same number can be chosen twice--> 3/9 * 3/9 = 1/9

the probability that both numbers are less than 7 if the same number can be chosen twice --> 6/9 * 6/9 = 4/9

the probability that both numbers are odd numbers less than 6 if the same numbers cannot be chosen twice --> 3/9 * 2/8 = 1/12

the probability that both numbers are even numbers if the same numbers cannot be chosen twice --> 4/9 * 3/8 = 1/6

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