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The spinner is spun 75 times.

What is the experimental probability of spinning a " [tex]$C$[/tex] "? Round your answer to the nearest hundredth if necessary.

\begin{tabular}{|c|c|c|c|c|}
\hline Outcome & A & B & C & D \\
\hline Frequency & 20 & 11 & 14 & 30 \\
\hline
\end{tabular}

A. 0.14
B. 1
C. 0.81
D. 0.19

Sagot :

To find the experimental probability of spinning a "[tex]$C$[/tex]," follow these steps:

1. Identify the total number of spins:
- The problem states that the spinner is spun 75 times. This is our total number of spins.

2. Identify the frequency of spinning a "[tex]$C$[/tex]":
- According to the table, the frequency for "[tex]$C$[/tex]" is 14.

3. Calculate the experimental probability:
- The experimental probability of an event is calculated as the number of times the event occurs divided by the total number of trials.
- So, the experimental probability of spinning a "[tex]$C$[/tex]" is:
[tex]\[ \text{Experimental Probability of } C = \frac{\text{Frequency of } C}{\text{Total Number of Spins}} = \frac{14}{75} \][/tex]

4. Calculate the fraction:
- [tex]\[ \frac{14}{75} \approx 0.18666666666666668 \][/tex]

5. Round the result to the nearest hundredth:
- To round 0.18666666666666668 to the nearest hundredth, we look at the digit in the thousandths place, which is 6. Since it is 5 or greater, we round up the hundredths place from 8 to 9.
- Therefore, 0.18666666666666668 rounds to 0.19.

So, the experimental probability of spinning a "[tex]$C$[/tex]" rounded to the nearest hundredth is [tex]\(\boxed{0.19}\)[/tex]. The correct answer is [tex]\(d. 0.19\)[/tex].
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