Answer:
3/4x - 1
Step-by-step explanation:
I believe its going to be discrete
Answer:
Since is a one sided right tailed test the p value would be:
Step-by-step explanation:
Data given and notation
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
t would represent the statistic (variable of interest)
represent the p value for the test (variable of interest)
State the null and alternative hypotheses.
We need to conduct a hypothesis in order to check if the true mean is higher than 6minutes or no, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
If we analyze the size for the sample is > 30 and we know the population deviation so is better apply a z test to compare the actual mean to the reference value, and the statistic is given by:
(1)
z-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".
Calculate the statistic
We can replace in formula (1) the info given like this:
P-value
Since is a one sided right tailed test the p value would be:
Answer:
For this case from the info given we have the estimated proportion of people who thinks that Children of illegal inmigrants should be able to attend public school
So then the value reported 45% or in fraction 0.45 represent the sample proportion fo interest.
And this value was calculated with a sample of n =1000 people.
And X for this case is 450, because 0.45*1000=450
The real interest is on the population proportion of people who thinks that Children of illegal inmigrants should be able to attend public school
Step-by-step explanation:
Assuming the following question : "Give the relevant proportion using correct notation. Your answer should be an expression composed of symbols: A recent headline states that 45% Think Children of illegal inmigrants Should Be Able to Attend Public School. The report gives the results of a survey of 1000 randomly selected likely voters in the US."
For this case from the info given we have the estimated proportion of people who thinks that Children of illegal inmigrants should be able to attend public school
So then the value reported 45% or in fraction 0.45 represent the sample proportion fo interest.
And this value was calculated with a sample of n =1000 people.
And X for this case is 450, because 0.45*1000=450
The real interest is on the population proportion of people who thinks that Children of illegal inmigrants should be able to attend public school
Answer:
2
Step-by-step explanation: