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Anni [7]
3 years ago
12

In 2012, researchers working with a very large population of health records found that 9.3% of all Americans had diabetes (sourc

e: National Diabetes Statistics Report, 2014). Suppose a medical researcher randomly selects two individuals from a large population. Let A represent the event "the first individual has diabetes." Let B represent the event "the second individual has diabetes." True or false? A and B are independent events.
A. True
B. False
Mathematics
1 answer:
icang [17]3 years ago
3 0

Answer:

False. These events are dependent.

Step-by-step explanation:

A represent the event "the first individual has diabetes."

B represent the event "the second individual has diabetes."

The probability that the second individual has diabetes changes according to the probability that the first individual has diabetes.  Therefore these events are dependent.

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What is the GCF of 44 and 32
RoseWind [281]

GCF = 4

factors of 44 are : 1, 2, 4, 11, 22, 44

factors of 32 are : 1, 2, 4, 8, 16, 32

common factors are : 1, 2, 4

GCF = 4


3 0
3 years ago
a sailing ship sails 46 km north and then 74 km east. How far is the ship from it’s starting point to the nearest km
AnnyKZ [126]

Answer:

87 km

Step-by-step explanation:

i hope this helps :D

8 0
4 years ago
144 students enter a spelling bee, but only 1/6 of the group will make into the semi-final round, and only 2 /3​ that group will
DerKrebs [107]

Answer:

16 students

Step-by-step explanation:

144 students enter a spelling bee contest.

Step 1

For the semi final round we are told that only 1/6 of the group will make it into that round.

This is calculated as

1/6 × 144/students = 24 students.

This means that only 24 students would make it into the semi final rounds.

Step 2

We are also told in the question that only 2/3 of THAT group would make it into the final round.

" THAT" group been referred to in the question means the number students that made it to the semi final round

This is calculated as

2/3 of that group( the group that made it to the semi finals)

= 2/3 × 24 students

= 16 students.

Therefore, the number of students that will enter the final round of the spelling bee is 16 students.

6 0
3 years ago
F(x) = 3x + 9, g(x) = 5x2<br><br> Find (f + g)(x).
maxonik [38]
(f-g)(x) is a shorthand way of saying that you need to get the difference of the two functions: f(x) and g(x). so essentially, (f-g)(x) = f(x) - g(x) = 5x+2 - (-3x+4) = 8x-2 (f/g)(-2) = f(-2)/g(-2) = -4/5 or -0.8 Hope this helps.
5 0
3 years ago
If I can walk 9673.6 meters in 5 hours. How far can I walk in 70 minutes. ( I need the work)
den301095 [7]

First, convert 5 hours into minutes:

5 hours 60 min

------------ * --------------- = 300 min

1 1 hr

Next, find the unit rate in m/min:

9673.6 m

--------------- = 32.24 m/min

300 min

Now find the distance you can walk in 70 minutes at this rate:

32.24 m

------------- * 70 min = 2247 meters (answer)

1 min

You could walk 2247 meters (to the nearest meter) in 70 minutes.

6 0
4 years ago
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