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jek_recluse [69]
3 years ago
7

Which is one of the earliest examples of crowdsourcing?

Advanced Placement (AP)
1 answer:
seraphim [82]3 years ago
6 0

The Oxford English Dictionary provided some of the earliest examples of crowdsourcing. This is the correct answer if you're using PLATO.

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Farrah, Alice ,and pia each bought between 5 and 8 feet of yarn . Farrah bought 7 pieces of yarn.Alice bought 6 pieces of yarn p
MrMuchimi

Answer:

Farrah: 5 pieces of (3/4) blue yarn, 1 piece of (1 3/5) red yarn, and 1 piece of (2 1/2) green yard

Alice:  3 pieces of (3/4) blue yarn, 2 pieces of (1 3/5) red yarn, and 1 piece of (2 1/2) green yard

Pia: 9 pieces of (3/4) blue yarn

Explanation: Farrah: (0.75*5)+1 3/5+2.5 = 7.85 ft

Alice: (0.75*3)+(1 3/5*2)+2.5= 7.95 ft

Pia: 0.75*9 = 6.75 ft

4 0
3 years ago
Read 2 more answers
What information is not included in a credit report?
jek_recluse [69]

I would believe that the credit report doesn't include race or ethnicity

4 0
2 years ago
Donna is writing a program for her book store that will help her monitor inventory. She has many different kinds of books (ficti
maxonik [38]

Answer:

Abstraction.

Explanation:

This is an abstraction because Donna generalized a concept — reporting the title or price of a book — to apply to all types of books. Noticing repeated details or common features and removing them is a key element of abstraction.

6 0
3 years ago
Suppose that among the population of smartphone owners with 16\text{GB}16GB16, start text, G, B, end text of storage, the mean a
andrew-mc [135]

The question is not typed properly! The correct and complete question is given below.

Question:

Suppose that among the population of smartphone owners with 16 GB of storage, the mean amount of storage used is 13 GB and the standard deviation is 3 GB. A consumer research group regularly takes random samples of 50 of these customers and calculates the mean amount of storage Calculate the mean and standard deviation of the sampling distribution x bar.

You may round to one decimal place.

Given Information:

Population mean smartphone storage = μ = 13 GB

Population Standard deviation = σ = 3 GB

Sample size = n = 50

Required Information:

Mean of the sampling distribution = ?

Standard deviation of the sampling distribution = ?

Answer:

\mu_x =\mu = 13 \: GB

\sigma_x = 0.4 \: GB

Explanation:

We are given that the mean storage among smartphones owners is 13 GB with a standard deviation of 3 GB.

A random sample of 50 smartphone owners is selected from the population.

We want to find out the the mean and standard deviation of this sampling distribution.

Recall from the central limit theorem, if the sample size is large enough (n ≥ 30) then the sampling distribution approaches normal distribution.

A normal distribution is a continuous probability distribution and is symmetrical around the mean. The shape of this distribution is like a bell curve and most of the data is clustered around the mean.

Since the sample size is large enough ( n = 50) in this case then the mean of the sampling distribution is given by

\mu_x =\mu = 13 \: GB

The mean of the sampling distribution will be same as population mean.

The standard deviation of the sampling distribution is given by

\sigma_x = \frac{\sigma}{\sqrt{n} } \\\\\sigma_x = \frac{3}{\sqrt{50} } \\\\\sigma_x = 0.4 \: GB

Therefore, the standard deviation of the sampling distribution is 0.4 GB.

7 0
3 years ago
when a scale is changed from major to minor to only the third and seventh notes of the scales are different true or false (music
kirill115 [55]
True but it might be false but I say it’s true
7 0
3 years ago
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