4 years ago

What type of sequence is this? arithmetic, geometric, neither, or both?

Mathematics

1 answer:

Yakvenalex [24]4 years ago

7 0

Arithmetic
-2 +2= 2 +2= 4 +2= 6 ...

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A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard. Find a

vekshin1

Answer: $(13.28\%,\ 18.72\%)$

Step-by-step explanation:

Given : A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard.

i.e. n= 700 and x= 112

Sample proportion : $\hat{p}=\dfrac{x}{n}=\dfrac{112}{700}=0.16$

z-value for 95% confidence interval : $z_c=1.960$

Now, the 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard will be :-

$\hat{p}\pm z_c\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$=0.16\pm (1.96)\sqrt{\dfrac{0.16(1-0.16)}{700}}$

$=0.16\pm (1.96)(0.013856)\\\\\approx 0.16\pm0.0272\\\\ =(0.16-0.0272,\ 0.16+0.0272)=(0.1328,\ 0.1872)=(13.28\%,\ 18.72\%)$

Hence, 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard : $(13.28\%,\ 18.72\%)$

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This year the houston health clubhas 240 members.This is a 200%increase in membership from last yeaar how many members did the c

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4 years ago

Solve: 2x - 3 = 2x - 5. A) -2 B) 0 C) 5 3 D) no solution

dezoksy [38]

2x -2x - 3 = 2x - 2x - 5 <em>subtract 2x from both sides</em>

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<h3>Answer: D) no solution</h3>

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Kari wins 1,282 tickets at an arcade. For each group of 65 tickets, she will receive a prize.

soldier1979 [14.2K]

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You're looking for something like y=2x+3 and 2y=4x+6?

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