Rebecca baked 100 cookies for the state fair. Sixty were oatmeal, 20 were lemon, and 20 were chocolate. What percentage of cooki
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Answer:
Random variable: for this case represent the number of complaints in 2007
Population parameter: represent the real proportion of complaints in 2007 p
Hypothesis to verify
We want to check if the true proportion of complaints in 2007 is equal to 0.23, the system of hypothesis are.:
Null hypothesis:
Alternative hypothesis:
Step-by-step explanation:
Information provided
n=1432 represent the random sample taken
X=321 represent the number of complaints
estimated proportion of complaints in 2007
is the value to verify
z would represent the statistic
Random variable: for this case represent the number of complaints in 2007
Population parameter: represent the real proportion of complaints in 2007 p
Hypothesis to verify
We want to check if the true proportion of complaints in 2007 is equal to 0.23, the system of hypothesis are.:
Null hypothesis:
Alternative hypothesis:
Hello!
The rule regarding the division of exponents states the following:
= 
Insert any known values into the formula above:
= 
Simplify the expression:
= 
We have now proven that is equal to .
I hope this helps!
The rule regarding the division of exponents states the following:
Insert any known values into the formula above:
Simplify the expression:
We have now proven that
I hope this helps!