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MrRa [10]
2 years ago
8

Please answer! I need all work shown please and thank you!! ;)

Mathematics
1 answer:
mafiozo [28]2 years ago
6 0

Check the picture below.

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The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The Bureau surveys 200 people.
OLga [1]

Answer:

The z-distribution should be used for this problem.

Step-by-step explanation:

The population distribution is assumed to be normal. Which distribution to use?

If we have the standard deviation for the sample, we use the t-distribution.

If we use the standard deviation for the population, we use the z-distribution.

There is a known standard deviation of 2.2 minutes.

This means that 2.2 is the population standard deviation, and thus, the z-distribution should be used for this problem.

4 0
3 years ago
2/7 divided by 7/6 brainlyest on the line
raketka [301]
12/49! hope this helps!
6 0
3 years ago
I need help plsssd it’s algebra
nalin [4]

I would say B

Hope I helped :)

8 0
3 years ago
To change the number 4 into a fraction, what number goes in the denominator?
wolverine [178]

Answer:

4/1

Step-by-step explanation:

i believe thats right since 4/1 is a fraction and it can be simplified to 4

4 0
3 years ago
Read 2 more answers
What is the product of 0.46 and 35
sveta [45]

<u><em>16.1 is the final answer. </em></u>

<em>Product- it's going to be multiply by the numbers only.</em>

0.46*35=16.10=16.1

<em>You can also round up to the nearest tenths is 16.0</em>

<em>Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie</em>

3 0
2 years ago
Read 2 more answers
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