Mathematics, 15.04.2021 06:40 BreadOfTheBear
The ages of the 5 officers for a school club are 18, 18, 17, 16, and 15. The proportion of officers who are younger
than 18 is 0.6. The table displays all possible samples of size 2 and the corresponding proportion for each sample,
17, 16
17, 15
16
1
1
1
Sample n = 2 18, 18 18, 17 18, 17 18, 16 18, 16 18, 15 18, 15
Sample
0 0.5 0.5 0.5 0.5 0.5 0.5
Proportion
Using the proportions in the table, is the sample proportion an unbiased estimator?
Yes, the sample proportions are calculated using samples from the population.
Yes, the mean of the sample proportions is 0.6, which is the same as the population proportion.
No, 0.6 is not one of the possible sample proportions.
No, 70% of the sample proportions are less than or equal to 0.5.
Answers: 2
Mathematics, 21.06.2019 17:00
The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?
Answers: 1
Mathematics, 21.06.2019 18:40
What value of x is in the solution set of 4x – 12 s 16 + 8x?
Answers: 3
Mathematics, 21.06.2019 19:30
Which inequality has a dashed boundary line when graphed ?
Answers: 2
Mathematics, 21.06.2019 21:00
Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12
Answers: 1
The ages of the 5 officers for a school club are 18, 18, 17, 16, and 15. The proportion of officers...
Biology, 02.02.2020 18:57
English, 02.02.2020 18:57
Social Studies, 02.02.2020 18:57
Social Studies, 02.02.2020 18:57
Mathematics, 02.02.2020 18:58
Social Studies, 02.02.2020 18:58
History, 02.02.2020 18:58
Chemistry, 02.02.2020 18:58
Physics, 02.02.2020 18:58