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Luden [163]
3 years ago
6

2000 people are selected randomly from a certain population and it is found that 389 people in the sample are over 6 feet tall.

What is the point estimate of the proportion of people in the population who are over 6 feet tall
Mathematics
1 answer:
Airida [17]3 years ago
8 0

Answer: 0.195

Step-by-step explanation:

given data:

population = 2000 people.

people Who are over 6 feet tall = 389.

Solution:

the point estimate of people over 6feet tall

= no of people over 6 feet tall / total population size

= 389/2000

= 0.195

the point estimate of people over 6 feet tall is 0.195

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NARA [144]

Answer:

100 miles

Step-by-step explanation:

Create equations.

Company A: y = 0.28x + 50

Company B: y = 0.78x

These are equal to each other.

0.78x = 0.28x + 50

0.5x = 50

x = 100

7 0
3 years ago
Why is the greatest factor of 10 and 50
lozanna [386]

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6 0
4 years ago
I need help dont know how to solve this!!!
Rudik [331]

The result we would get when we simplify 5x/(x + 1) - (x - 4)/(x + 1), is 4.

<h3>How to Simplify an Expression?</h3>

Given the following expression:

5x/(x + 1) - (x - 4)/(x + 1), the first step to take is to find the common denominator.

The common denominator of the given expression is: (x + 1). Therefore, the expression would be simplified as shown below:

[1(5x) - 1(x - 4)] / (x + 1)

Evaluate the numerator

(5x - x + 4) / (x + 1)

Combine like terms in the numerator

(4x + 4) / (x + 1)

4(x + 1) / (x + 1)

Divide the numerator and denominator by (x + 1)

= 4

Therefore, the result we would get after simplifying the expression, 5x/(x + 1) - (x - 4)/(x + 1), is 4.

Learn more about simplification of expression on:

brainly.com/question/723406

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6 0
2 years ago
Solve the inequality. What is the solution?
Soloha48 [4]

Answer:

x<21.6

Step-by-step explanation:

You're welcome. :)

3 0
4 years ago
HELP ME QUICK PLEASEE!!
Lena [83]

Answer:

  A) is a function

  B) f(x) is greater

  C) x = 12

Step-by-step explanation:

A) Yes, the relation is a function.

A function has a unique input value for each output value. There are no repeated x-values, so this relation is a function.

__

B) The table says y=6 for x=6.

  f(6) = 2(6)+16 = 28

f(x) has a greater value for x=6.

__

C) Substituting the given information, we have ...

  40 = 2x +16

  24 = 2x

  12 = x

The value of x is 12 when f(x) is 40.

3 0
3 years ago
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