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Answer with explanation:</h2>
Let p represents the population proportion.
By considering the given information, we have

∵ the alternative hypothesis is two tailed , so the test is two-tailed test.
Given : For sample size :n= 130, 
Test statistic: 

P-value (two -tailed test)=
Since , the p-value (0.131) is greater than the significance level (0.03), so we accept the null hypothesis.
Thus , we conclude that we have sufficient evidence to support the null hypothesis that the true population proportion of Maryland students who have smoked marijuana is 29% .
Answer:
18 and 72
Step-by-step explanation:
the smaller part can be assigned as x while the larger will be 4x. Both numbers need to add up to 90, giving the equation: 4x+x = 90
Solve:
4x+x = 90
5x = 90
x = 18
4x = 72
Step-by-step explanation:
here your answer
above photo is your answer
Answer:
Step-by-step explanation:
Your answer
Top of mountain = 20000 feet
Bottom of sea = 3000 feet
Difference = 20000+3000= 23000 feet
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