-(-7y-24) simplify the expression
2 answers:
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Answer:
If we assume the hypothesis of:
H0: p = 0.4 versus Ha: p > 0.4
The statistic for this case would be:
Step-by-step explanation:
Information given
n=300 represent the random sample selected
X=120 represent the number of people that have smart phone
estimated proportion of people with a smart phone
is the value that we want to test
z would represent the statistic
Hypothesis to test
For this case we want to test if the true proportion is hgiher than 0.35 since thats the claim given:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info we got:
If we assume the hypothesis of:
H0: p = 0.4 versus Ha: p > 0.4
The statistic for this case would be: