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sladkih [1.3K]
3 years ago
10

Each of the 30 major league baseball teams carries a 40-person roster. A sample of 60 players (5 percent of all 1,200 players) i

s to be randomly selected to undergo drug tests. To do this, each team is instructed to put their 40 names in a hat and randomly draw two names. Will this method result in a simple random sample of the 1,200 baseball players?
Mathematics
1 answer:
Georgia [21]3 years ago
8 0

Answer:

No

Step-by-step explanation:

Using this method, each group of 60 players do not have the same chance of being selected.

Also with this method, the selection will not be uniformly distributed among the 30 teams. Some teams will have more players, some will have few and some will have no player selected at all.

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Can somebody help me on this?
irga5000 [103]

Answer:

x=28

Step-by-step explanation:

From the diagram we know that the angle m<3 = m<4 and the angle m<1 = m<2. Also we know that the sum of the four angles must be equal to 360.

Summarizing:

1. m<3 = m<4

2. m<1 = m<2

3. m<1 + m<2 + m<3 + m<4 = 360

Substituting 1 and 2 in equation three we have:

4. 2m<2 + 2m<3 = 360.

Now, we know that m<3 = 3x + 16 and m<2 = x + 84. Substituting in equation 4:

2 ( x + 84) + 2 ( 3x + 16) = 360

Solving for x:

2x + 168 + 6x + 32 = 360

8x = 224

x=28

4 0
3 years ago
What is the domain of f?
KengaRu [80]
For the whole thing including the other point it would be [-6, 6] but just for f it should be [6]
5 0
2 years ago
I dunno if u can see the questions but I need help in questions 3 and 4. Can I have a step by step with that as well please? Tha
Kruka [31]

Answer:

#3: 84 books

#4: 90 pounds

Step-by-step explanation:

#3: 14*6= 84

#4: 30*3= 90

Hope this helps!!

3 0
3 years ago
Read 2 more answers
Carl earned grades of 62 78 59 and 89 on four math tests what is the mean if his grades
cluponka [151]

Answer:

The answer is 72

Step by step Explanation:

You add 62 + 78 + 59 + 89

And it equals 288

Then divide that answer by 4

And the answer is 72

5 0
3 years ago
Read 2 more answers
Is y=3x+4 a function?
Oxana [17]

Answer:

Yes, it is a function

Step-by-step explanation:

Every possible input x value is paired with a unique output y value.

Another approach is to graph the function then conduct the VLT (vertical line test) at which point you will realize that any vertical line will intersect the graph at one point only meaning it is a function.

Hope this helps.

5 0
1 year ago
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