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2 years ago

11

Please Help!! will give brainliest! Molly collected 16 seashells. In her collection, 2 of them are white. What division expressi

on shows the fraction of shells that are white? PLEASE SHOW THE DIVISION EXPERESSION

2 answers:

kirza4 [7]2 years ago

7 0

16 divided by 2 = 8 Hope this help

Tanzania [10]2 years ago

5 0

Answer:

Step-by-step explanation:

the answer is 8

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4 years ago

Read 2 more answers

A publisher reports that 45% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is

nexus9112 [7]

Answer:

$z=\frac{0.40 -0.45}{\sqrt{\frac{0.45(1-0.45)}{370}}}=-1.933$

$p_v =2*P(z$

Step-by-step explanation:

Information given

n=370 represent the sample selected

$\hat p=0.4$ estimated proportion of readers owned a laptop

$p_o=0.45$ is the value that we want to test

z would represent the statistic

$p_v$ represent the p value

Creating the hypothesis

We need to conduct a hypothesis in order to test if the true proportion of readers owned a laptop is different from 0.45, the system of hypothesis are:

Null hypothesis: $p=0.45$

Alternative hypothesis: $p \neq 0.45$

The statistic is:

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

Replacing we got:

$z=\frac{0.40 -0.45}{\sqrt{\frac{0.45(1-0.45)}{370}}}=-1.933$

Calculating the p value

We have a bilateral test so then the p value would be:

$p_v =2*P(z$

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3 years ago

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3 years ago

ABCD is a quadilatoral, the prove AB+BC+CD+DA is grater than AC+BD?

konstantin123 [22]

Answer:

yes it's greater then anything

Step-by-step explanation:

really just look it up or ask someone

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3 years ago