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ivann1987 [24]
4 years ago
7

Sampling every 100th invoice would be an example of:_______a. Randomization.b. Proxemics.c. Stratification.d. JRP.e. Observation

.
Mathematics
1 answer:
gregori [183]4 years ago
8 0

Answer: C. Stratification

Step-by-step explanation: There are diverse samping techniques employed for statistical purposes depending on the tipe and nature of data available or other factors. When a data population is sampled in sects such that the entire data is divided into a equals groups at a fixed intervals based on a certain criteria, it is called stratified sampling. Here, data is divided into strata, with each stratum containing a fixed amount of samples with each partition taking place at regular interval. In the scenario stratification process is employed by sampling at a fixed and regular interval, however, the random nature of the data is not violated.

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The average temperature of the week is 80 degrees. The first 3 days have an average of 78 and the average of the last 3 days is
Tju [1.3M]

Answer:

80

Step-by-step explanation:Solution:

step 1 Address the formula, input parameters & values.

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The given numbers are 78 & 80

step 2 Find the sum of the given two numbers.

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step 3 Divide the sum by 2 to get the average.

average = 158/2

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Thus, 79 is an average of positive integers 78 and 80.

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2 years ago
There are two newborns, Gary and Eric. The future lifetime of Gary is uniformly distributed between 0 to 60 years. The future li
scoray [572]

Answer:

\text{The probability that Gary dies first = }\frac{1}{3}

Step-by-step explanation:

To find the required probability,

We can split the 40 years of Eric into very small pieces of time dt. Now, If Eric dies at time t and Gary dies before Eric, the probability is :

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Hence the probability that Gary dies first is  given by :

=\int_{0}^{40}\frac{t}{2400}dt \\\\= \frac{1}{3}

3 0
3 years ago
Please help me im doing a math test and i don’t wanna fail :(
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Answer:

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6 0
3 years ago
Simplify. 10y(3x – 7z) <br><br> 30xy – 70yz <br> 103xy – 107yz <br> 30xy – 7z <br> 3x – 70yz
oksian1 [2.3K]

30yx−70yz is your answer

6 0
3 years ago
Read 2 more answers
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