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geniusboy [140]
3 years ago
14

In a recent television survey, participants were asked to answer ʺyesʺ or ʺnoʺ to the question ʺAre you in favor of the death pe

nalty? ʺ Six thousand five hundred responded ʺyesʺ while 4100 responded ʺnoʺ. There was a fifty-cent charge for the call. A) stratified B) random C) cluster D) convenience E) systematic
SAT
2 answers:
Vlada [557]3 years ago
7 0

Answer:

A) stratified

Explanation:

Total call including 6500 'yes' and 4100 'no' are 10600 and on each call there was a fifty cent charge. Total charge becomes 5300 $ so this is very straight forward data. And from this test two types of classes are made with cleared population in each class and such cleared population division is example of stratified sampling so this is right answer.

nekit [7.7K]3 years ago
4 0
It depends what the they are serving the death penalty for
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Which of the following might be requested on a typical job application?
Neko [114]

Answer:

D. Graduation date

Explanation:

Some <em>job applications</em> ask for the date you graduated high school or college, although it tends to raise questions about <em>why the company would ask such a thing in the first place</em>.

5 0
3 years ago
a researcher is studying a group of field mice. the distribution of the weight of field mice is approximately normal with mean 2
yarga [219]

The proportion of field mice weighing more than 33 grams in the distribution will be about 0.2275

  • Mean, μ = 25 grams
  • Standard deviation, σ = 4 grams
  • Score, X = 33 grams

We need to calculate the P(Z > Zscore)

Recall :

Zscore = (X - μ) ÷ σ

For X > 33 :

Zscore = (33 - 25) ÷ 4 = 2

Therefore, the probability would be expressed as :

P(Z > 2) = 1 - P(Z < 2)

From the normal distribution table :

P(Z < 2) = 0.97725

Therefore,

P(Z > 2) = 1 - 0.97725 = 0.02275

Learn more :brainly.com/question/8165716

4 0
2 years ago
What is the sum of the complex numbers 6+2i and 3+5i, where i=sqrt(-1)
m_a_m_a [10]

Answer:

The sum of the complex numbers is 9+i\,7.

Explanation:

Let be u = 6 + i\,2 and v = 3 + i\,5, the sum of the complex number can be found by algebraic means. That is:

1) u = 6 + i\,2, v = 3 + i\,5 Given.

2) u+v = (6+i\,2)+(3+i\,5) Definition of addition.

3) u+v = (6+3) + (2\,i + 5\,i) Commutative and associative properties.

4) u+v = 9 + (2+5)\,i Definition of addition/Distributive property.

5) u + v = 9 + i\,7 Definition of addition/Commutative property/Result.

The sum of the complex numbers is 9+i\,7.

3 0
3 years ago
Which is a property to every mixture
Dmitriy789 [7]

Answer:

Answer. One substance can be separated from another through physical means is a property of every mixture. Mixtures are made up of two or more substances that are different. It is the product of mechanical or chemical substance blending or mixing

4 0
3 years ago
Kelsey had $65 to spend on books. Each book cost $5. 50, and there was a $7. 50 fee for shipping. She let b equal the number of
Charra [1.4K]

Answer:

The inequality symbol is incorrect because she can spend up to and including $65.

The expression 5. 50b + 7. 5 is correct because $5. 50 per book is 5. 50b and that is added to the shipping fee of $7. 50 to determine the total purchase price.

Explanation:

The inequality should be 5.50b + 7.5 ≤ 65 because she can use less than $65 or all $65 to spend on books.

Also, the shipping fee is for all the books she buys combined, not for each individual book so the left side of the inequality should read 5.50b + 7.5.

4 0
3 years ago
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