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suter [353]
2 years ago
15

Can you find the quotient?

Mathematics
1 answer:
atroni [7]2 years ago
7 0

Answer:

..............................................................

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If students’ scores were normally distributed and the mean was 200 with a standard deviation of 40, then what is the probability
Sonja [21]

Answer:

  84%

Step-by-step explanation:

The empirical rule tells you that 68% of the standard normal distribution is within 1 standard deviation of the mean. The distribution is symmetrical, so the amount in the lower tail is (1 -68%)/2 = 16%.

Since the number you're interested in, 240, is one standard deviation above the mean (200 +40), the percentage of interest is the sum of the area of the central part of the distribution along with the lower tail:

  68% + 16% = 84%.

4 0
2 years ago
To gather information on customer satisfaction, a researcher goes into each store and interviews six randomly selected customers
Slav-nsk [51]

Answer:

Convenience sampling.

Step-by-step explanation:

To gather information on customer satisfaction, a researcher goes into each store and interviews six randomly selected customers at each store. This sampling technique is called convenience sampling.

Convenience sampling can be defined as a sampling method which involves the researcher selecting or collecting data that is easily available or choosing the individuals who are easiest to reach in a population. It is a type of non-probability method of sampling where the first or easiest available data source is being used by the researcher without other requirements.

In this scenario, to gather information on customer satisfaction, the researcher went to the store most likely situated in a shopping mall to collect data from six (6) customers in each stores.

<em>Some of the advantages of convenience sampling are low cost, data are collected quickly, lesser rules etc. </em>

3 0
3 years ago
Help! I need this done immediately!
wel

Answer:

280

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A kite was flying 50 ft high from ground level. Suddenly it loses 20 ft in height due to wind.
goldfiish [28.3K]

Answer:

30ft

Step-by-step explanation:

50- 20 = 30

hope it helps!

5 0
3 years ago
Read 2 more answers
Jennie says the experimental probability that a 7th grade student reads at least 100 pages per week is 16/125. What is her error
alukav5142 [94]

Answer:

Egg

Step-by-step explanation:

Fg

6 0
3 years ago
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