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STALIN [3.7K]
3 years ago
14

A gallup poll of 1236 adults showed that​ 12% of the respondents believe that it is bad luck to walk under a ladder. consider

the probability that among 30 randomly selected people from the 1236 who were​ polled, there are at least 2 who have that belief. given that the subjects surveyed were selected without​ replacement, the events are not independent. can the probability be found by using the binomial probability​ formula? why or why​ not? choose the correct answer below.
a. yes. although the selections are not​ independent, they can be treated as being independent by applying the​ 5% guideline.
b. no. the selections are not​ independent, and the​ 5% guideline is not met.
c. yes. there are a fixed number of selections that are​ independent, can be classified into two​ categories, and the probability of success remains the same.
d. no. the selections are not independent.
Mathematics
1 answer:
Trava [24]3 years ago
4 0
The answer is a) although they are not independent, since they are less than 5% of the population, they can be treated as independent.
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using whole numbers, fractions, and decimals, write at least eight addition equations that have the sum of 10
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<span>Using whole numbers, fractions, and decimals, these are the eight addition equations that have the sum of 10
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7 0
3 years ago
HELP ME AS FAST AS POSSIBLE! 95 POINTS!!!
Likurg_2 [28]

Answer:

B

Step-by-step explanation:

4 (x - 7) - 2 (x + 1) = 10

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7 0
3 years ago
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How many ways are there to select 12 countries in the United Nations to serve on a council if 3 are selected from a block of 45,
sattari [20]

Answer: There are 2346953264 ways to do so.

Step-by-step explanation:

Since we have given that

Total number of selected countries = 12

Number of selected countries from a block of 45 = 3

Number of selected countries from a block of 57 = 4

So, remaining number of selected countries from a block of 69.

So, 12-(3+4)=12-7=5

Now, we need to find the number of ways, so we will use "Combination" to select that number of countries.

So, it becomes.

^{45}C_3\times ^{57}C_4\times ^{57}C_5\\\\=14190\times 395010\times 4187106\\\\=2346953264

Hence, there are 2346953264 ways to do so.

8 0
3 years ago
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Answer:

376

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This is a subtraction problem.

1,213 - 837 =

   

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Answer: 376

3 0
3 years ago
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Eight hundred and five thousends in Decimals
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Eight hundred equals 0.08
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