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Q 1/20
Score 0
A student tracks the number of text messages they receive daily. After analyzing their data for a week, the following counts were recorded: {1, 3, 2, 4, 3, 1, 0}. Based on this data, which of the following represents the possible values of the random variable 'number of text messages received in a day'?
30
{0, 1, 2, 3, 4, 5}
{0, 1, 2, 3, 4}
{0, 2, 3, 4}
{1, 2, 3, 4}
Q 2/20
Score 0
Given a random variable representing the number of online classes attended by students in a week, which of the following correctly identifies the variable and its possible values?
30
Random variable: Number of classes attended; Possible values: {0, 1, 2, 3, ...}
Random variable: Number of classes attended; Possible values: {1, 2, 3.5, 4.8, ...}
Random variable: Number of classes attended; Possible values: {0, 0.5, 1, 1.5, ...}
Random variable: Total hours spent in class; Possible values: {0.5, 1.2, 2.3, ...}
20 questions
Q.
A student tracks the number of text messages they receive daily. After analyzing their data for a week, the following counts were recorded: {1, 3, 2, 4, 3, 1, 0}. Based on this data, which of the following represents the possible values of the random variable 'number of text messages received in a day'?
1
30 sec
Q.
Given a random variable representing the number of online classes attended by students in a week, which of the following correctly identifies the variable and its possible values?
2
30 sec
Q.
A researcher measures the duration (in minutes) students spend doing homework. If the random variable is the time spent, which of these could be a possible set of values?
3
30 sec
Q.
A student records the number of classmates who bring their own lunch daily. Which of the following correctly identifies the random variable and its type?
4
30 sec
Q.
In the given scenario, what could be a possible value of the random variable representing the number of completed household chores in a day?
5
30 sec
Q.
What distinguishes a continuous random variable from a discrete random variable?
6
30 sec
Q.
Why is the number of pages read by a student in a day considered a discrete random variable?
7
30 sec
Q.
Which of the following is an example of a discrete random variable?
8
30 sec
Q.
What type of random variable represents the time (in hours) spent watching videos daily?
9
30 sec
Q.
Which of the following best defines a random variable?
10
30 sec
Q.
Which of the following describes a random variable?
11
30 sec
Q.
What type of random variable represents the number of hours spent studying in a day?
12
30 sec
Q.
Which of the following is an example of a discrete random variable?
13
30 sec
Q.
Why is the number of hours spent socializing considered a continuous random variable?
14
30 sec
Q.
How does a discrete random variable differ from a continuous random variable?
15
30 sec
Q.
In the given scenario, what could be a possible value of the random variable representing the number of tasks completed in a day?
16
30 sec
Q.
A student records the number of classmates who bring laptops to class daily. Which of the following correctly identifies the random variable and its type?
17
30 sec
Q.
A researcher measures the time (in minutes) each student spends answering a survey. If the random variable is the time spent, which of these could be a possible set of values?
18
30 sec
Q.
Given a random variable representing the number of books borrowed by students from the library in a week, which of the following correctly identifies the variable and its possible values?
19
30 sec
Q.
A student is tracking the number of calls they receive daily. After analyzing their data for a week, the following counts were recorded: {0, 2, 3, 4, 2, 1, 0}. Based on this data, which of the following represents the possible values of the random variable "number of calls received in a day"?
