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atroni [7]
3 years ago
5

Prokaryotic cells are cells that _____. Select all that apply.

Mathematics
1 answer:
galina1969 [7]3 years ago
4 0

probably 1 and 2, I'm only in 6th grade tho so I forgot (love the pfp btw)

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Colton makes the claim to his classmates that less than 50% of newborn babies born this year in his state are boys. To prove thi
alexdok [17]

Answer:

Null hypothesis:p \leq 0.5  

Alternative hypothesis:p > 0.5  

The statistic is given by:

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

Replacing we got:

z=\frac{0.512-0.5}{\sqrt{\frac{0.5(1-0.5)}{344}}}=0.445  

Step-by-step explanation:

Information given

n=344 represent the random sample taken

X=176 represent the anumber of boys babies

\hat p=\frac{176}{344}=0.512 estimated proportion of boys babies

p_o=0.5 is the value that we want to check

z would represent the statistic

p_v represent the p value

Hypotheis to verify

We want to check if the true proportion of boys is less than 50% then the system of hypothesis are .:  

Null hypothesis:p\leq 0.5  

Alternative hypothesis:p > 0.5  

The statistic is given by:

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

Replacing we got:

z=\frac{0.512-0.5}{\sqrt{\frac{0.5(1-0.5)}{344}}}=0.445  

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3 years ago
What are relating data sets ?
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Answer:

Step-by-step explanation:

Data sets are a collection of numbers related by a topic. The three ways to work with data sets include mean, median, and mode. The mean is the average of the data set, the median is the middle of the data set, and the mode is the number or value that occurs most often in the data set.

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