2 years ago

Which set of rational numbers is arranged from least to greatest?

Mathematics

1 answer:

kirill [66]2 years ago

5 0

Answer:

-o.5 -1/5 1/9 1. The first option

Step-by-step explanation:

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What is the length of CD to the nearest tenth?

kiruha [24]

Answer: 9.4

Step-by-step explanation:

if you see on the screenshot if you draw a line between the 2 it mesures 9.4

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2 years ago

Joe heard from a reliable source that only 22% of people actually sleep 8 hours or more per night. You do a survey and find 58 o

Juliette [100K]

Answer:

95% Confidence interval: (31.32%,47.04%)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 148

Number of people who sleep for 8 hours or longer, x = 58

$\hat{p} = \dfrac{x}{n} = \dfrac{58}{148} = 0.3918$

95% Confidence interval:

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

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.3918\pm 1.96(\sqrt{\dfrac{0.3918(1-0.3918)}{148}})\\\\ = 0.3918\pm 0.0786\\\\=(0.3132,0.4704)=(31.32\%,47.04\%)$

(31.32%,47.04%) is the required 95% confidence interval.

8 0

3 years ago

Solve for the value of n.

dusya [7]

Answer:

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no u can solve

6 0

2 years ago

Read 2 more answers

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finlep [7]

The value of X is 80

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2 years ago

What is 243.875 rounded to the nearest tenth,hundreth,ten,and hundred?

ira [324]

Tenth: 243.9
hundreth: 243.88
ten: 240
hundred:200

hope this helps

5 0

2 years ago