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3 years ago

What is 83.34 written in expanded form?

Mathematics

2 answers:

Vilka [71]3 years ago

8 0

Answer:

80+3+0.3+0.04

Step-by-step explanation:

atroni [7]3 years ago

5 0

Answer:

if expanded form is what i think it is, the answer is

80 + 3 + 0.3 + 0.04

Step-by-step explanation:

take the number apart

I don't know how to explain this, but I hope this helps you :)

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Enter the number that makes the equation true.<br><br> 0.26 - 41/100 = blank/100 - 41/100

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Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the are

Nastasia [14]

Answer:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

$z=\frac{0.36 -0.41}{\sqrt{\frac{0.41(1-0.41)}{100}}}=-1.017$

Step-by-step explanation:

Data given and notation

n=100 represent the random sample taken

$\hat p=0.36$ estimated proportion with the survey

$p_o=0.41$ is the value that we want to test

$\alpha$ represent the significance level

z would represent the statistic (variable of interest)

$p_v$ represent the p value (variable of interest)

Concepts and formulas to use

We need to conduct a hypothesis in order to test the claim that the true proportion is lower than 0.41.:

Null hypothesis: $p\geq 0.41$

Alternative hypothesis: $p < 0.41$

When we conduct a proportion test we need to use the z statistic, and the is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

The One-Sample Proportion Test is used to assess whether a population proportion $\hat p$ is significantly different from a hypothesized value $p_o$ .