SAT College

A density graph for all of the possible times from 50 seconds to 200 seconds
can be used to find which of the following?
A. The probability of a time from 75 seconds to 150 seconds
B. The probability of a time from 25 seconds to 150 seconds
C. The probability of a time from 150 seconds to 250 seconds
D. The probability of a time from 75 seconds to 250 seconds
SUBMIT

Answers

Answer 1
A. The probability of a time from 75 seconds to 150 seconds.

A density graph shows the distribution of data over a range of values. The height of the graph at any point on the x-axis represents the density or frequency of data points at that point. Therefore, to find the probability of a certain range of values, you need to look at the area under the graph between those values. In this case, the density graph covers the range from 50 seconds to 200 seconds, so option A is the correct answer because it falls within that range. Options B, C, and D are outside of the range covered by the density graph, so they cannot be determined from the graph.
Answer 2

A density graph for all of the possible times from 50 seconds to 200 seconds can be used to find A. The probability of a time from 75 seconds to 150 seconds

How to solve

A density graph for all of the possible times from 50 seconds to 200 seconds can be used to find the probability of a time from 75 seconds to 150 seconds (Option A).

With this in mind, it can be seen that the correct answer and the reasons why the other answers are incorrect are given below:

It cannot be used to find the probability of a time from 25 seconds to 150 seconds (Option B), the probability of a time from 150 seconds to 250 seconds (Option C), or the probability of a time from 75 seconds to 250 seconds (Option D).

Read more about density graphs here:

https://brainly.com/question/28998516

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