subject
Mathematics, 15.04.2020 06:54 12290737

Eighteen students are surveyed about owning cats and/or dogs.

9 students have dogs.
6 students have cats only.
10 students have cats.

How many students do not have either a cat or a dog?

2
3
4
18

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 22.06.2019 00:10
How do i take any fraction and make it into a decimal or percentage?
Answers: 1
question
Mathematics, 22.06.2019 01:10
Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. here are data on the "penetrability" of the same type of soil at two levels of compression. penetrability is a measure of how much resistance plant roots will meet when they try to grow through the soil. compressed soil 2.85 2.66 3 2.82 2.76 2.81 2.78 3.08 2.94 2.86 3.08 2.82 2.78 2.98 3.00 2.78 2.96 2.90 3.18 3.16 intermediate soil 3.17 3.37 3.1 3.40 3.38 3.14 3.18 3.26 2.96 3.02 3.54 3.36 3.18 3.12 3.86 2.92 3.46 3.44 3.62 4.26 use the data, omitting the high outlier, to give a 95% confidence interval for the decrease in penetrability of compressed soil relative to intermediate soil. compute degrees of freedom using the conservative method. interval: to
Answers: 1
question
Mathematics, 22.06.2019 01:40
Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required
Answers: 1
question
Mathematics, 22.06.2019 03:00
Use matrices to solve this linear system: 5x1 βˆ’ 2x2 = βˆ’30 2x1 βˆ’ x2 = βˆ’13 x1 = x2 =
Answers: 2
You know the right answer?
Eighteen students are surveyed about owning cats and/or dogs.

9 students have dogs.
Questions
question
Mathematics, 06.05.2020 05:17
question
Mathematics, 06.05.2020 05:17
question
Geography, 06.05.2020 05:17
question
English, 06.05.2020 05:17
Questions on the website: 13722363