The percent decrease of an item that dropped in price from $50 to $43 is
2 answers:
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Answer:
The 95% confidence interval of the proportion of Americans who believe in the conspiracy is
Step-by-step explanation:
From the question we are told that
The sample size is n =1057
The number that believe there was a conspiracy is k = 614
Generally the sample proportion is mathematically represented as
=>
From the question we are told the confidence level is 95% , hence the level of significance is
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Generally from the normal distribution table the critical value of is
Generally the margin of error is mathematically represented as
=>
=>
Generally 95% confidence interval is mathematically represented as
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=>
Answer:
He have <u>15</u> action games and <u>24</u> sports games.
Step-by-step explanation:
Given:
Ryan has a mix of action and sports games for a total of 39 video games his action collection is three more than half his sports collection.
Now, to find the number of action games and sports games.
Let the sports games be
As, given his action collection is three more than half his sports collection.
Thus, the action games = .
Total number of video games = 39.
So, we set an equation to get the number of action games and sports games:
<em>Subtracting both sides by 3 we get:</em>
<em>Multiplying both sides by 2 we get:</em>
<em>Dividing both sides by 3 we get:</em>
<u>The sports games he have = 24.</u>
Now, to get the action games we substitute the value of :
=
=
=
<u>The action games he have = 15.</u>
Therefore, he have 15 action games and 24 sports games.