Answer:
Rounded to two decimal places, the probability that a randomly chosen student is taking Calculus or French is 0.40.
Explanation:
Probability = (Number of students taking Calculus + Number of students taking French - Number of students taking both) / Total number of students
Given:
Total number of students (n) = 100
Number of students taking Calculus (C) = 27
Number of students taking French (F) = 26
Number of students taking both Calculus and French = 13
Using the formula:
Probability = (C + F - Both) / n
Probability = (27 + 26 - 13) / 100
Probability = 40 / 100
Probability = 0.40