4 What is the slope of the graph of y = 12x - 19?
2 answers:
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Answer:
The p value for this case would be given by:
For this case since the p value is higher than the significance level given we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is not significantly different from 0.32 or 32 %
Step-by-step explanation:
Information given
n=750 represent the random sample taken
estimated proportion of people who thought the economy is getting worse
is the value that we want to verify
represent the significance level
z would represent the statistic
represent the p value
Hypothesis to test
We want to check if the true proportion of interest is equal to 0.32 or not.:
Null hypothesis:
Alternative hypothesis:
The statistic would be given by:
(1)
Replacing we got:
The p value for this case would be given by:
For this case since the p value is higher than the significance level given we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is not significantly different from 0.32 or 32 %
The required expression is
Step-by-step explanation:
We need to identify the expression correctly represents “nine less than the quotient of a number and four, increased by three"
Solving:
Let the number is x
The quotient of number and four:
nine less than the quotient of a number and four:
Increased by 3 :
So, nine less than the quotient of a number and four, increased by three is:
So, The required expression is
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