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Shtirlitz [24]
3 years ago
12

Savannah is writing an article for the school paper on the next school election. She surveys 20 of her friends and finds that 17

plan on voting for Angie Ruiz for president. In the article, Savannah wrote that she expects 85% of the student population to vote for Angie Ruiz. Why is this a poor estimate of the election outcomes?
Mathematics
1 answer:
Sonbull [250]3 years ago
4 0

Answer:

A. The students were not chosen randomly.

Step-by-step explanation:

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The 60th customer since 10 and 12 are common factors.
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376 ×74 explain the solving steps​
LuckyWell [14K]

Answer:

376*74=

Step-by-step explanation:

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8 0
3 years ago
4(x-2)+2x = 10
sleet_krkn [62]

Answer:

x = 3

Step-by-step explanation:

Given:

4(x-2)+2x=10

Step 1: 4x-8+2x=10

Step 2:4x+2x-8=10

Step 3: 4x+2x-8+8=10+8

Now Solving for next steps we get

Step 4: 6x=18

dividing both side by 6 we get

Step 5:\frac{6x}{6} =\frac{18}{6}

And So the Final Answer is:

x = 3

8 0
3 years ago
Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years. A study wa
Viefleur [7K]

Answer:

sigma should be used

Step-by-step explanation:

Given that The mean length of time in jail from the survey was four years with a standard deviation of 1.9 years.

The above given is for sample of 27 size.

For hypothesis test to compare mean of sample with population we can use either population std dev or sample std dev.

But once population std deviation is given, we use only that as that would be more reliable.

So here we can use population std deviation 1.4 only.

If population std deviation is used we can use normality and do Z test

4 0
3 years ago
3. In the following equation, what is the y-intercept?<br> y = -3x + 7
aev [14]

Answer:

the y intercept at this point is 7

Step-by-step explanation:

hope this helps comment if not

5 0
3 years ago
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