QUESTION 13 An elementary school is assessing how many activities in which a parent is involved. The table shows the number of activities a parent of a K-5th grade student is involved in. Number of Activities Probability 0 0.035 1 0.074 2 0.197 3 0.320 4 0.374 a) What is the variable of interest? [ Select ] ["Whether or not a parent of a K-5th grade student is involved in activities", "The number of activities a parent of a K-5th grade student is involved in", "The type of activities a parent of a K-5th grade student is involved in"] b) Is this variable numerical or categorical? [ Select ] ["Numerical", "Categorial"] c) Is this variable discrete or continuous? [ Select ] ["Discrete", "Continuous"] d) To verify this is a valid probability distribution, you need [ Select ] ["both the sum of all the probabilities to equal 1 and all probabilities to be between 0.035 and 0.374.", "just all probabilities to be between 0 and 1.", "just the sum of all the probabilities to equal 1.", "both the sum of all the probabilities to equal 1 and all probabilities to be between 0 and 1.", "just all probabilities to be between 0.035 and 0.374.."]
QUESTION 13
An elementary school is assessing how many activities in which a parent is involved. The table shows the number of activities a parent of a K-5th grade student is involved in.
|
Number of Activities |
|
|
0 |
0.035 |
|
1 |
0.074 |
|
2 |
0.197 |
|
3 |
0.320 |
|
4 |
0.374 |
a) What is the variable of interest? [ Select ] ["Whether or not a parent of a K-5th grade student is involved in activities", "The number of activities a parent of a K-5th grade student is involved in", "The type of activities a parent of a K-5th grade student is involved in"]
b) Is this variable numerical or categorical? [ Select ] ["Numerical", "Categorial"]
c) Is this variable discrete or continuous? [ Select ] ["Discrete", "Continuous"]
d) To verify this is a valid probability distribution, you need [ Select ] ["both the sum of all the probabilities to equal 1 and all probabilities to be between 0.035 and 0.374.", "just all probabilities to be between 0 and 1.", "just the sum of all the probabilities to equal 1.", "both the sum of all the probabilities to equal 1 and all probabilities to be between 0 and 1.", "just all probabilities to be between 0.035 and 0.374.."]
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
