Aresearcher finds that 15% of all commuters in a metropolitan area take the train to work. the researcher polls 250 people in the area and asks them whether they take the train to work. what is the number of trials for this binomial experiment? a. 15 b. 38 c. 250 d. 265

 Option 'B' is correct.

Step-by-step explanation:

Since we have given that

Number of people in the area = 250

Percentage of commuters in a metropolitan = 15%

So, Number of trials would be

Hence, there are 38 trials for this binomial experiment.

Thus, Option 'B' is correct.

answer is 12345678900987654321234567890987654321

step-by-step explanation:

answer: x=60