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agasfer [191]
3 years ago
13

A polling organization contacts 1835 undergraduates who attend a university and live in the United States and asks whether or no

t they had spent more thannbsp $ 200 on food nbspin the last month. What is the population in the​ study?
Mathematics
1 answer:
timurjin [86]3 years ago
3 0

Answer:

Population: All undergraduates who attend a university and live in the United States  

Step-by-step explanation:

We are given the following situation in the question:

 "A polling organization contacts 1835 undergraduates who attend a university and live in the United States and asks whether or not they had spent more than nbsp $200 on food nbsp in the last month."

For the given situation, we have

Sample size, n = 1835

Sample: 1835 undergraduates who attend a university and live in the United States

Variable: whether or not they had spent more than $200 on food in the last month

Thus, the population for this scenario will be

Population: All undergraduates who attend a university and live in the United States

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Is rolling doubles a simple event or compound event? Explain.<br><br><br> (rolling double dice)
nexus9112 [7]
You have to consider the sample space. In this example the sample space

is {1,2,3,4,5,6}

A simple event can be defined as a SINGLE outcome : Example getting a 3 OR 5 OR any other number from the sample space.

Now if you roll 1 dice & you want to get an even number (2,4,6) then you have chosen from the sample space 3 outcome & this is a compound event

Equally if you roll 2 dice and want to get "one" and/or "three" this is a compound event since you have chosen 2 outcome from the sample space.

Mind you, if you want 5 And 5 when rolling two dice it's a simple event because you have chosen ONE outcome from the sample space.

Hope this will help you to understand this kind of problem
4 0
3 years ago
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If f(x) = x² – 5, evaluate: f(x+h)-f(x)/<br> h
Likurg_2 [28]

The first derivative of the function f(x) = x² - 5 is equal to f'(x) = 2 · x.

<h3>How to find the derivative of a quadratic equation by definition of derivative</h3>

In this question we have a quadratic function, in which we must make use of the definition of derivative to find the expression of its first derivative. Then, the procedure is shown below:

f(x) = x² - 5                                         Given

f' = [(x + h)² - 5 - x² + 5] / h                Definition of derivative

(x² + 2 · x · h + h² - 5 - x² + 5) / h       Perfect square trinomial

(2 · x · h + h²) / h                                Associative, commutative and modulative properties / Existence of additive inverse

2 · x + h                                              Distributive, commutative and associative properties / Definition of division / Existence of multiplicative inverse

2 · x                                                     h = 0 / Result

The first derivative of the function f(x) = x² - 5 is equal to f'(x) = 2 · x.

To learn more on derivatives: brainly.com/question/25324584

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6 0
2 years ago
Which of the following statements are true for sin (-430°)
stira [4]

Answer:

Step-by-step explanation:

sin(-430)=-sin(430)=-sin(360+70)=-sin 70

8 0
2 years ago
Question 3 Please. I'm really stuck :(
Stells [14]
Let ∠RTS=∠RST = a (say)
 ∠QUA=∠QSU= b(say)
then we know , at point S, a+40+b=180. so, a+b=140 we'll use this later.

consider trianglePQR, ∠P+∠Q+∠R=180
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7 0
3 years ago
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10. If x = -2, y=-6 and z= 4, find the value of 4xy<br>Z​
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Answer:

192

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Given

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5 0
3 years ago
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