The experimental probability of choosing a diamond is [tex]\frac{9}{26}[/tex].
What is experimental probability?
"Experimental probability of an event is the ratio of the number of outcomes in which a specified event occurs to the total number of trials, not in a theoretical sample space but in an actual experiment."
Given, total number of trials here
= (5 + 9 + 7 + 5)
= 26
Here, the number of outcomes = the number of diamonds.
Therefore, the number of outcomes = 9.
Now, the experimental probability of choosing a diamond
= (number of outcomes)/(total number of trials)
[tex]= \frac{9}{26}[/tex]
Learn more about experimental probability here: https://brainly.com/question/15451789
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