Question

Archanged2. A student used a random number generator with the digits 1 to 20 to simulate the total number of questions she might guess correctly on atrue/false exam that had 20 questions. The dot plot below show the results of 100 trials.Based on the data, which number of correct answersmost likely, and what percentage of the 100 trials does this represent?Guessed 9 correctly on 30% of the trialsGuessed o correctly on 100% of the trialsGuessed 9 correctly on 25% of the trialsGuessed 10 correctly on 30% of the trials

Answer 1

The following observation are derived from the graph shown relating number of guesses against the number of trials

+) Guessed 6 correctly on 2% of the trials

+) Guessed 7 correctly on 8% of the trials

+) Guessed 8 correctly on 25% of the trials

+) Guessed 9 correctly on 30% of the trials

+) Guessed 10 correctly on 19% of the trials

+) Guessed 11 correctly on 12% 0f the trials

+) Guessed 12 correctly on 3% of the trials

+) Guessed 13 correctly on 1% of the trials

From the options provided, it can be concluded that:

He guessed 9 correctly on 30% of the trials. The first option is the correct option