Answer:
For this case a parameter represent the population data and for this case the parameter would be the true mean 
who represent the amount of gasoline they used in the previous week
And the sample mean is an unbiased estimator of the true mean.
Step-by-step explanation:
For this case a parameter represent the population data and for this case the parameter would be the true mean who represent the amount of gasoline they used in the previous week
And in order to estimate the parameter of interest we use a survey of n =3800 and the sample mean who represent an statistic is given by:
And we got:
And the sample mean is an unbiased estimator of the true mean.
Answer:
the water will rise 10 in each hour after 4 hours the water will be 40 in deep and it will take 8 hours for the water to reach a depth of 80 in
The solution to the problem about the possible values of x in the inequality is as follows:
4(x+15) >= 120
x+15 >= 30
<span>x >= 15
Therefore, there are </span><span>x >= 15 possibilities in the inequality.
I hope my answer has come to your help. Thank you for posting your question here in Brainly.
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Answer:
B. 14/15
Step-by-step explanation:
I hope this helps.
Answer:
B) 9
Step-by-step explanation:
6×3/2=9
